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52811858 = 21114916111
BaseRepresentation
bin1100100101110…
…1100001010010
310200101010020202
43021131201102
5102004434413
65123535202
71210615301
oct311354122
9120333222
1052811858
11278a1370
121582a502
13ac31228
14702a438
154982e58
hex325d852

52811858 has 16 divisors (see below), whose sum is σ = 87004800. Its totient is φ = 23842800.

The previous prime is 52811833. The next prime is 52811867. The reversal of 52811858 is 85811825.

It is a super-4 number, since 4×528118584 (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4778 + ... + 11333.

It is an arithmetic number, because the mean of its divisors is an integer number (5437800).

Almost surely, 252811858 is an apocalyptic number.

52811858 is a deficient number, since it is larger than the sum of its proper divisors (34192942).

52811858 is a wasteful number, since it uses less digits than its factorization.

52811858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16273.

The product of its digits is 25600, while the sum is 38.

The square root of 52811858 is about 7267.1767557973. The cubic root of 52811858 is about 375.1835735281.

The spelling of 52811858 in words is "fifty-two million, eight hundred eleven thousand, eight hundred fifty-eight".

Divisors: 1 2 11 22 149 298 1639 3278 16111 32222 177221 354442 2400539 4801078 26405929 52811858