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2132242400 = 255229731259
BaseRepresentation
bin111111100010111…
…0110111111100000
312111121012010200202
41333011312333200
513331323224100
6551325204332
7103560522101
oct17705667740
95447163622
102132242400
119a4660302
124b61006a8
1327c9996c2
141632803a8
15c72d57d5
hex7f176fe0

2132242400 has 144 divisors (see below), whose sum is σ = 5462931600. Its totient is φ = 811560960.

The previous prime is 2132242379. The next prime is 2132242421. The reversal of 2132242400 is 42422312.

It is an interprime number because it is at equal distance from previous prime (2132242379) and next prime (2132242421).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1692971 + ... + 1694229.

It is an arithmetic number, because the mean of its divisors is an integer number (37937025).

Almost surely, 22132242400 is an apocalyptic number.

2132242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2132242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2731465800).

2132242400 is an abundant number, since it is smaller than the sum of its proper divisors (3330689200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2132242400 is a wasteful number, since it uses less digits than its factorization.

2132242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2132242400 is about 46176.2103252313. The cubic root of 2132242400 is about 1287.0997077773.

Adding to 2132242400 its reverse (42422312), we get a palindrome (2174664712).

The spelling of 2132242400 in words is "two billion, one hundred thirty-two million, two hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 73 80 100 116 145 146 160 200 232 290 292 365 400 464 580 584 725 730 800 928 1160 1168 1259 1450 1460 1825 2117 2320 2336 2518 2900 2920 3650 4234 4640 5036 5800 5840 6295 7300 8468 10072 10585 11600 11680 12590 14600 16936 20144 21170 23200 25180 29200 31475 33872 36511 40288 42340 50360 52925 58400 62950 67744 73022 84680 91907 100720 105850 125900 146044 169360 182555 183814 201440 211700 251800 292088 338720 365110 367628 423400 459535 503600 584176 730220 735256 846800 912775 919070 1007200 1168352 1460440 1470512 1693600 1825550 1838140 2297675 2665303 2920880 2941024 3651100 3676280 4595350 5330606 5841760 7302200 7352560 9190700 10661212 13326515 14604400 14705120 18381400 21322424 26653030 29208800 36762800 42644848 53306060 66632575 73525600 85289696 106612120 133265150 213224240 266530300 426448480 533060600 1066121200 2132242400