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164662293 = 354887431
BaseRepresentation
bin10011101000010…
…00110000010101
3102110211201012110
421310020300111
5314123143133
624201141233
74036414665
oct1164106025
9373751173
10164662293
1184a47244
124718a819
1328163913
1417c241a5
15e6c8c63
hex9d08c15

164662293 has 4 divisors (see below), whose sum is σ = 219549728. Its totient is φ = 109774860.

The previous prime is 164662283. The next prime is 164662301. The reversal of 164662293 is 392266461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 164662293 - 213 = 164654101 is a prime.

It is a super-2 number, since 2×1646622932 = 54227341472035698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164662243) 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 3 ways as a sum of consecutive naturals, for example, 27443713 + ... + 27443718.

It is an arithmetic number, because the mean of its divisors is an integer number (54887432).

Almost surely, 2164662293 is an apocalyptic number.

It is an amenable number.

164662293 is a deficient number, since it is larger than the sum of its proper divisors (54887435).

164662293 is an equidigital number, since it uses as much as digits as its factorization.

164662293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54887434.

The product of its digits is 93312, while the sum is 39.

The square root of 164662293 is about 12832.0806185123. The cubic root of 164662293 is about 548.1062062165.

The spelling of 164662293 in words is "one hundred sixty-four million, six hundred sixty-two thousand, two hundred ninety-three".

Divisors: 1 3 54887431 164662293