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164593297 = 11149233431
BaseRepresentation
bin10011100111101…
…11111010010001
3102110201012120001
421303313322101
5314113441142
624155450001
74036006561
oct1163677221
9373635501
10164593297
11849aa420
1247156901
132813b3ab
1417c06da1
15e6b35b7
hex9cf7e91

164593297 has 16 divisors (see below), whose sum is σ = 181958400. Its totient is φ = 147644800.

The previous prime is 164593277. The next prime is 164593309. The reversal of 164593297 is 792395461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 164593297 - 223 = 156204689 is a prime.

It is a pancake number, because a pancake can be divided into 164593297 parts by 18143 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164593237) 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, 381672 + ... + 382102.

It is an arithmetic number, because the mean of its divisors is an integer number (11372400).

Almost surely, 2164593297 is an apocalyptic number.

It is an amenable number.

164593297 is a deficient number, since it is larger than the sum of its proper divisors (17365103).

164593297 is a wasteful number, since it uses less digits than its factorization.

164593297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its digits is 408240, while the sum is 46.

The square root of 164593297 is about 12829.3919185595. The cubic root of 164593297 is about 548.0296405816.

The spelling of 164593297 in words is "one hundred sixty-four million, five hundred ninety-three thousand, two hundred ninety-seven".

Divisors: 1 11 149 233 431 1639 2563 4741 34717 64219 100423 381887 706409 1104653 14963027 164593297