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165024140 = 2258251207
BaseRepresentation
bin10011101011000…
…01000110001100
3102111112002120012
421311201012030
5314221233030
624213012352
74042452641
oct1165410614
9374462505
10165024140
1185174096
12473240b8
132825c528
1417cb9dc8
15e74b095
hex9d6118c

165024140 has 12 divisors (see below), whose sum is σ = 346550736. Its totient is φ = 66009648.

The previous prime is 165024137. The next prime is 165024163. The reversal of 165024140 is 41420561.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125584 + ... + 4125623.

It is an arithmetic number, because the mean of its divisors is an integer number (28879228).

Almost surely, 2165024140 is an apocalyptic number.

165024140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165024140 is an abundant number, since it is smaller than the sum of its proper divisors (181526596).

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

165024140 is a wasteful number, since it uses less digits than its factorization.

165024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251216 (or 8251214 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 165024140 is about 12846.1721925249. The cubic root of 165024140 is about 548.5074020662.

The spelling of 165024140 in words is "one hundred sixty-five million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 8251207 16502414 33004828 41256035 82512070 165024140