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52642930 = 2510749199
BaseRepresentation
bin1100100011010…
…0010001110010
310200001112112011
43020310101302
5101434033210
65120153134
71206312634
oct310642162
9120045464
1052642930
112779645a
12157687aa
13aba2382
146dc4a54
15494cd8a
hex3234472

52642930 has 16 divisors (see below), whose sum is σ = 95644800. Its totient is φ = 20859952.

The previous prime is 52642921. The next prime is 52642943. The reversal of 52642930 is 3924625.

It is a junction number, because it is equal to n+sod(n) for n = 52642892 and 52642901.

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 7 ways as a sum of consecutive naturals, for example, 23530 + ... + 25669.

It is an arithmetic number, because the mean of its divisors is an integer number (5977800).

Almost surely, 252642930 is an apocalyptic number.

52642930 is a deficient number, since it is larger than the sum of its proper divisors (43001870).

52642930 is a wasteful number, since it uses less digits than its factorization.

52642930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49313.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 52642930 is about 7255.5447762384. The cubic root of 52642930 is about 374.7831160693.

The spelling of 52642930 in words is "fifty-two million, six hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 49199 98398 245995 491990 5264293 10528586 26321465 52642930