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164406275 = 5211678923
BaseRepresentation
bin10011100110010…
…10010000000011
3102110100201000022
421303022100003
5314042000100
624151444055
74034300405
oct1163122003
9373321008
10164406275
1184891960
124708662b
13280a4227
1417b98b75
15e677e85
hex9cca403

164406275 has 24 divisors (see below), whose sum is σ = 225741504. Its totient is φ = 117770400.

The previous prime is 164406271. The next prime is 164406301. The reversal of 164406275 is 572604461.

It is not a de Polignac number, because 164406275 - 22 = 164406271 is a prime.

It is a super-3 number, since 3×1644062753 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164406271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13964 + ... + 22886.

It is an arithmetic number, because the mean of its divisors is an integer number (9405896).

Almost surely, 2164406275 is an apocalyptic number.

164406275 is a deficient number, since it is larger than the sum of its proper divisors (61335229).

164406275 is a wasteful number, since it uses less digits than its factorization.

164406275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011 (or 9006 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 164406275 is about 12822.1010368816. The cubic root of 164406275 is about 547.8219925062.

The spelling of 164406275 in words is "one hundred sixty-four million, four hundred six thousand, two hundred seventy-five".

Divisors: 1 5 11 25 55 67 275 335 737 1675 3685 8923 18425 44615 98153 223075 490765 597841 2453825 2989205 6576251 14946025 32881255 164406275