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2154005200 = 245223234131
BaseRepresentation
bin1000000001100011…
…1000001011010000
312120010010210122101
42000120320023100
513402411131300
6553423450144
7104243512354
oct20030701320
95503123571
102154005200
11a05974a96
12501456954
132843492b9
14166107464
15c9183b6a
hex806382d0

2154005200 has 60 divisors (see below), whose sum is σ = 5400020448. Its totient is φ = 824137600.

The previous prime is 2154005197. The next prime is 2154005201. The reversal of 2154005200 is 25004512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154005201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107866 + ... + 126265.

Almost surely, 22154005200 is an apocalyptic number.

2154005200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154005200 is an abundant number, since it is smaller than the sum of its proper divisors (3246015248).

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

2154005200 is a wasteful number, since it uses less digits than its factorization.

2154005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234172 (or 234161 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2154005200 is about 46411.2615644091. The cubic root of 2154005200 is about 1291.4638351413.

Adding to 2154005200 its reverse (25004512), we get a palindrome (2179009712).

The spelling of 2154005200 in words is "two billion, one hundred fifty-four million, five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 40 46 50 80 92 100 115 184 200 230 368 400 460 575 920 1150 1840 2300 4600 9200 234131 468262 936524 1170655 1873048 2341310 3746096 4682620 5385013 5853275 9365240 10770026 11706550 18730480 21540052 23413100 26925065 43080104 46826200 53850130 86160208 93652400 107700260 134625325 215400520 269250650 430801040 538501300 1077002600 2154005200