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165233056 = 2531116603
BaseRepresentation
bin10011101100101…
…00000110100000
3102111220201010211
421312110012200
5314244424211
624221303504
74044313012
oct1166240640
9374821124
10165233056
11852a704a
1247404b94
1328303651
1417d321b2
15e78ce21
hex9d941a0

165233056 has 24 divisors (see below), whose sum is σ = 326368224. Its totient is φ = 82345920.

The previous prime is 165233027. The next prime is 165233077. The reversal of 165233056 is 650332561.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 1651 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (13598676).

Almost surely, 2165233056 is an apocalyptic number.

165233056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165233056 is a deficient number, since it is larger than the sum of its proper divisors (161135168).

165233056 is a wasteful number, since it uses less digits than its factorization.

165233056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924 (or 16916 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 165233056 is about 12854.3010700699. The cubic root of 165233056 is about 548.7387695289.

The spelling of 165233056 in words is "one hundred sixty-five million, two hundred thirty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 32 311 622 1244 2488 4976 9952 16603 33206 66412 132824 265648 531296 5163533 10327066 20654132 41308264 82616528 165233056