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52386402 = 239790011
BaseRepresentation
bin1100011111010…
…1101001100010
310122120111122010
43013311221202
5101402331102
65110453350
71204164015
oct307655142
9118514563
1052386402
1127630752
1215664256
13ab12693
146d5937c
1548ebd6c
hex31f5a62

52386402 has 16 divisors (see below), whose sum is σ = 105854112. Its totient is φ = 17281920.

The previous prime is 52386361. The next prime is 52386409. The reversal of 52386402 is 20468325.

It is a super-2 number, since 2×523864022 = 5488670229011208, which contains 22 as substring.

52386402 is a modest number, since divided by 6402 gives 5238 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 52386402.

It is not an unprimeable number, because it can be changed into a prime (52386409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44424 + ... + 45587.

It is an arithmetic number, because the mean of its divisors is an integer number (6615882).

Almost surely, 252386402 is an apocalyptic number.

52386402 is an abundant number, since it is smaller than the sum of its proper divisors (53467710).

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

52386402 is a wasteful number, since it uses less digits than its factorization.

52386402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90113.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 52386402 is about 7237.8451213051. The cubic root of 52386402 is about 374.1733542014.

The spelling of 52386402 in words is "fifty-two million, three hundred eighty-six thousand, four hundred two".

Divisors: 1 2 3 6 97 194 291 582 90011 180022 270033 540066 8731067 17462134 26193201 52386402