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52700557 = 7132712137
BaseRepresentation
bin1100100100001…
…0010110001101
310200011110120111
43021002112031
5101442404212
65121320021
71206642640
oct311022615
9120143514
1052700557
1127825788
1215796011
13abc2680
146ddba57
15495eea7
hex324258d

52700557 has 16 divisors (see below), whose sum is σ = 65132032. Its totient is φ = 41523840.

The previous prime is 52700551. The next prime is 52700579. The reversal of 52700557 is 75500725.

It is a cyclic number.

It is not a de Polignac number, because 52700557 - 211 = 52698509 is a prime.

It is a super-2 number, since 2×527005572 = 5554697416220498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52700551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23593 + ... + 25729.

It is an arithmetic number, because the mean of its divisors is an integer number (4070752).

Almost surely, 252700557 is an apocalyptic number.

It is an amenable number.

52700557 is a deficient number, since it is larger than the sum of its proper divisors (12431475).

52700557 is a wasteful number, since it uses less digits than its factorization.

52700557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 52700557 is about 7259.5149286987. The cubic root of 52700557 is about 374.9198216732.

The spelling of 52700557 in words is "fifty-two million, seven hundred thousand, five hundred fifty-seven".

Divisors: 1 7 13 91 271 1897 2137 3523 14959 24661 27781 194467 579127 4053889 7528651 52700557