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52186072 = 236523259
BaseRepresentation
bin1100011100010…
…0101111011000
310122012022211111
43013010233120
5101324423242
65102310104
71202400661
oct307045730
9118168744
1052186072
1127504194
1215588334
13aa72443
146d06368
1548ac817
hex31c4bd8

52186072 has 8 divisors (see below), whose sum is σ = 97848900. Its totient is φ = 26093032.

The previous prime is 52186067. The next prime is 52186081. The reversal of 52186072 is 27068125.

52186072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×521860722 = 5446772221578368, 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261622 + ... + 3261637.

Almost surely, 252186072 is an apocalyptic number.

It is an amenable number.

52186072 is a deficient number, since it is larger than the sum of its proper divisors (45662828).

52186072 is a wasteful number, since it uses less digits than its factorization.

52186072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523265 (or 6523261 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 52186072 is about 7223.9928017683. The cubic root of 52186072 is about 373.6957881572.

The spelling of 52186072 in words is "fifty-two million, one hundred eighty-six thousand, seventy-two".

Divisors: 1 2 4 8 6523259 13046518 26093036 52186072