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2142354200 = 235273149363
BaseRepresentation
bin111111110110001…
…1011101100011000
312112022012212110212
41333230123230120
513341420313300
6552330030252
7104042465420
oct17754335430
95468185425
102142354200
119aa337468
124b9578388
13281aca10c
14164753480
15c8131935
hex7fb1bb18

2142354200 has 96 divisors (see below), whose sum is σ = 5876290560. Its totient is φ = 710812800.

The previous prime is 2142354199. The next prime is 2142354217. The reversal of 2142354200 is 24532412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18719 + ... + 68081.

It is an arithmetic number, because the mean of its divisors is an integer number (61211360).

Almost surely, 22142354200 is an apocalyptic number.

2142354200 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 2142354200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2938145280).

2142354200 is an abundant number, since it is smaller than the sum of its proper divisors (3733936360).

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

2142354200 is a wasteful number, since it uses less digits than its factorization.

2142354200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49417 (or 49408 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2142354200 is about 46285.5722660961. The cubic root of 2142354200 is about 1289.1311177162.

Adding to 2142354200 its reverse (24532412), we get a palindrome (2166886612).

The spelling of 2142354200 in words is "two billion, one hundred forty-two million, three hundred fifty-four thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 31 35 40 50 56 62 70 100 124 140 155 175 200 217 248 280 310 350 434 620 700 775 868 1085 1240 1400 1550 1736 2170 3100 4340 5425 6200 8680 10850 21700 43400 49363 98726 197452 246815 345541 394904 493630 691082 987260 1234075 1382164 1530253 1727705 1974520 2468150 2764328 3060506 3455410 4936300 6121012 6910820 7651265 8638525 9872600 10711771 12242024 13821640 15302530 17277050 21423542 30605060 34554100 38256325 42847084 53558855 61210120 69108200 76512650 85694168 107117710 153025300 214235420 267794275 306050600 428470840 535588550 1071177100 2142354200