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165015070 = 25119371601
BaseRepresentation
bin10011101010111…
…10111000011110
3102111111122010021
421311132320132
5314220440240
624212502354
74042414333
oct1165367036
9374448107
10165015070
11851682a0
124731a9ba
132825836c
1417cb698a
15e74854a
hex9d5ee1e

165015070 has 32 divisors (see below), whose sum is σ = 324578016. Its totient is φ = 59904000.

The previous prime is 165015061. The next prime is 165015127. The reversal of 165015070 is 70510561.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 102270 + ... + 103870.

It is an arithmetic number, because the mean of its divisors is an integer number (10143063).

Almost surely, 2165015070 is an apocalyptic number.

165015070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165015070 is a deficient number, since it is larger than the sum of its proper divisors (159562946).

165015070 is a wasteful number, since it uses less digits than its factorization.

165015070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 165015070 is about 12845.8191642262. The cubic root of 165015070 is about 548.4973529238.

The spelling of 165015070 in words is "one hundred sixty-five million, fifteen thousand, seventy".

Divisors: 1 2 5 10 11 22 55 110 937 1601 1874 3202 4685 8005 9370 10307 16010 17611 20614 35222 51535 88055 103070 176110 1500137 3000274 7500685 15001370 16501507 33003014 82507535 165015070