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164755111 = 3153149673
BaseRepresentation
bin10011101000111…
…11011010100111
3102111000102112011
421310133122213
5314134130421
624203135051
74040252413
oct1164373247
9374012464
10164755111
1184aaaa54
1247214487
1328196c41
1417c49d43
15e6e64e1
hex9d1f6a7

164755111 has 16 divisors (see below), whose sum is σ = 174700800. Its totient is φ = 155151360.

The previous prime is 164755103. The next prime is 164755121. The reversal of 164755111 is 111557461.

It is a cyclic number.

It is not a de Polignac number, because 164755111 - 23 = 164755103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164755121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244471 + ... + 245143.

It is an arithmetic number, because the mean of its divisors is an integer number (10918800).

Almost surely, 2164755111 is an apocalyptic number.

164755111 is a deficient number, since it is larger than the sum of its proper divisors (9945689).

164755111 is a wasteful number, since it uses less digits than its factorization.

164755111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 4200, while the sum is 31.

The square root of 164755111 is about 12835.6967477422. The cubic root of 164755111 is about 548.2091736595.

The spelling of 164755111 in words is "one hundred sixty-four million, seven hundred fifty-five thousand, one hundred eleven".

Divisors: 1 31 53 149 673 1643 4619 7897 20863 35669 100277 244807 1105739 3108587 5314681 164755111