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164395513 = 2344915919
BaseRepresentation
bin10011100110001…
…11100111111001
3102110100011020201
421303013213321
5314041124023
624151322201
74034224132
oct1163074771
9373304221
10164395513
1184884867
1247080361
132809c369
1417b94c89
15e674bad
hex9cc79f9

164395513 has 8 divisors (see below), whose sum is σ = 171936000. Its totient is φ = 156887808.

The previous prime is 164395501. The next prime is 164395529. The reversal of 164395513 is 315593461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 164395513 - 29 = 164395001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164395013) 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 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (21492000).

Almost surely, 2164395513 is an apocalyptic number.

It is an amenable number.

164395513 is a deficient number, since it is larger than the sum of its proper divisors (7540487).

164395513 is a wasteful number, since it uses less digits than its factorization.

164395513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16391.

The product of its digits is 48600, while the sum is 37.

The square root of 164395513 is about 12821.6813640021. The cubic root of 164395513 is about 547.8100388081.

It can be divided in two parts, 16439 and 5513, that added together give a cube (21952 = 283).

The spelling of 164395513 in words is "one hundred sixty-four million, three hundred ninety-five thousand, five hundred thirteen".

Divisors: 1 23 449 10327 15919 366137 7147631 164395513