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165023152 = 2471473421
BaseRepresentation
bin10011101011000…
…00110110110000
3102111112001012121
421311200312300
5314221220102
624213004024
74042450030
oct1165406660
9374461177
10165023152
1185173378
1247323614
132825bc48
1417cb98c0
15e74ab37
hex9d60db0

165023152 has 20 divisors (see below), whose sum is σ = 365408656. Its totient is φ = 70724160.

The previous prime is 165023149. The next prime is 165023153. The reversal of 165023152 is 251320561.

It is not an unprimeable number, because it can be changed into a prime (165023153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736599 + ... + 736822.

Almost surely, 2165023152 is an apocalyptic number.

It is an amenable number.

165023152 is an abundant number, since it is smaller than the sum of its proper divisors (200385504).

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

165023152 is a wasteful number, since it uses less digits than its factorization.

165023152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473436 (or 1473430 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 165023152 is about 12846.1337374324. The cubic root of 165023152 is about 548.5063074256.

The spelling of 165023152 in words is "one hundred sixty-five million, twenty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1473421 2946842 5893684 10313947 11787368 20627894 23574736 41255788 82511576 165023152