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164665054 = 2157524411
BaseRepresentation
bin10011101000010…
…01011011011110
3102110211211222201
421310021123132
5314123240204
624201202114
74036426021
oct1164113336
9373754881
10164665054
1184a49324
124719033a
1328164c58
1417c251b8
15e6c99a4
hex9d096de

164665054 has 8 divisors (see below), whose sum is σ = 248571288. Its totient is φ = 81807960.

The previous prime is 164665037. The next prime is 164665057. The reversal of 164665054 is 450566461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1646650542 = 54229160017645832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164665057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261892 + ... + 262519.

It is an arithmetic number, because the mean of its divisors is an integer number (31071411).

Almost surely, 2164665054 is an apocalyptic number.

164665054 is a deficient number, since it is larger than the sum of its proper divisors (83906234).

164665054 is a wasteful number, since it uses less digits than its factorization.

164665054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524570.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 164665054 is about 12832.1881999915. The cubic root of 164665054 is about 548.1092696840.

The spelling of 164665054 in words is "one hundred sixty-four million, six hundred sixty-five thousand, fifty-four".

Divisors: 1 2 157 314 524411 1048822 82332527 164665054