Search a number
-
+
164632152 = 23311875779
BaseRepresentation
bin10011101000000…
…01011001011000
3102110210011212010
421310001121120
5314121212102
624200345520
74036231056
oct1164013130
9373704763
10164632152
1184a26633
12471752a0
1328152c99
1417c171d6
15e6bed6c
hex9d01658

164632152 has 32 divisors (see below), whose sum is σ = 411998400. Its totient is φ = 54821664.

The previous prime is 164632147. The next prime is 164632157. The reversal of 164632152 is 251236461.

It is an interprime number because it is at equal distance from previous prime (164632147) and next prime (164632157).

It is a super-2 number, since 2×1646321522 = 54207490944302208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164632157) 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 7 ways as a sum of consecutive naturals, for example, 25599 + ... + 31377.

It is an arithmetic number, because the mean of its divisors is an integer number (12874950).

Almost surely, 2164632152 is an apocalyptic number.

164632152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164632152 is an abundant number, since it is smaller than the sum of its proper divisors (247366248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164632152 is a wasteful number, since it uses less digits than its factorization.

164632152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6975 (or 6971 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 164632152 is about 12830.9061254457. The cubic root of 164632152 is about 548.0727610421.

The spelling of 164632152 in words is "one hundred sixty-four million, six hundred thirty-two thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 1187 2374 3561 4748 5779 7122 9496 11558 14244 17337 23116 28488 34674 46232 69348 138696 6859673 13719346 20579019 27438692 41158038 54877384 82316076 164632152