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164047051 = 7222315013
BaseRepresentation
bin10011100011100…
…10100011001011
3102102200110020201
421301302203023
5313444001201
624140033031
74031243200
oct1161624313
9372613221
10164047051
1184666a83
1246b32777
1327ca987c
1417b03ca7
15e606801
hex9c728cb

164047051 has 12 divisors (see below), whose sum is σ = 191698752. Its totient is φ = 139971888.

The previous prime is 164047033. The next prime is 164047057. The reversal of 164047051 is 150740461.

164047051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164047051 - 25 = 164047019 is a prime.

It is a super-2 number, since 2×1640470512 = 53822869883593202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164047057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3421 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (15974896).

Almost surely, 2164047051 is an apocalyptic number.

164047051 is a deficient number, since it is larger than the sum of its proper divisors (27651701).

164047051 is a wasteful number, since it uses less digits than its factorization.

164047051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15250 (or 15243 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 164047051 is about 12808.0853760427. The cubic root of 164047051 is about 547.4227086599.

The spelling of 164047051 in words is "one hundred sixty-four million, forty-seven thousand, fifty-one".

Divisors: 1 7 49 223 1561 10927 15013 105091 735637 3347899 23435293 164047051