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52038100 = 2252520381
BaseRepresentation
bin1100011010000…
…0100111010100
310121220210212001
43012200213110
5101310204400
65055205044
71201213402
oct306404724
9117823761
1052038100
1127412aa4
1215516784
13aa1cc9a
146ca8472
15487da6a
hex31a09d4

52038100 has 18 divisors (see below), whose sum is σ = 112922894. Its totient is φ = 20815200.

The previous prime is 52038097. The next prime is 52038113. The reversal of 52038100 is 183025.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 456976 + 51581124 = 676^2 + 7182^2 .

It is a super-2 number, since 2×520381002 = 5415927703220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260091 + ... + 260290.

Almost surely, 252038100 is an apocalyptic number.

52038100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52038100 is an abundant number, since it is smaller than the sum of its proper divisors (60884794).

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

52038100 is a wasteful number, since it uses less digits than its factorization.

52038100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520395 (or 520388 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52038100 is about 7213.7438268904. The cubic root of 52038100 is about 373.3422528340.

The spelling of 52038100 in words is "fifty-two million, thirty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 520381 1040762 2081524 2601905 5203810 10407620 13009525 26019050 52038100