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164255627 = 1923409919
BaseRepresentation
bin10011100101001…
…01011110001011
3102110002001100202
421302211132023
5314022140002
624144322415
74033102244
oct1162453613
9373061322
10164255627
1184799758
124701340b
13280507a3
1417b59ccb
15e648502
hex9ca578b

164255627 has 16 divisors (see below), whose sum is σ = 181056000. Its totient is φ = 148319424.

The previous prime is 164255603. The next prime is 164255633. The reversal of 164255627 is 726552461.

It is a cyclic number.

It is not a de Polignac number, because 164255627 - 210 = 164254603 is a prime.

It is a super-2 number, since 2×1642556272 = 53959822002326258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164255677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178274 + ... + 179192.

It is an arithmetic number, because the mean of its divisors is an integer number (11316000).

Almost surely, 2164255627 is an apocalyptic number.

164255627 is a deficient number, since it is larger than the sum of its proper divisors (16800373).

164255627 is a wasteful number, since it uses less digits than its factorization.

164255627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its digits is 100800, while the sum is 38.

The square root of 164255627 is about 12816.2251462745. The cubic root of 164255627 is about 547.6546154648.

The spelling of 164255627 in words is "one hundred sixty-four million, two hundred fifty-five thousand, six hundred twenty-seven".

Divisors: 1 19 23 409 437 919 7771 9407 17461 21137 178733 375871 401603 7141549 8645033 164255627