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165052564 = 2271581171
BaseRepresentation
bin10011101011010…
…00000010010100
3102111120112112221
421311220002110
5314223140224
624213352124
74042631545
oct1165500224
9374515487
10165052564
1185193486
1247338644
132826c451
1417cc64cc
15e7546e4
hex9d68094

165052564 has 12 divisors (see below), whose sum is σ = 292910688. Its totient is φ = 81363800.

The previous prime is 165052561. The next prime is 165052607. The reversal of 165052564 is 465250561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165052561) 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 3 ways as a sum of consecutive naturals, for example, 290302 + ... + 290869.

It is an arithmetic number, because the mean of its divisors is an integer number (24409224).

Almost surely, 2165052564 is an apocalyptic number.

It is an amenable number.

165052564 is a deficient number, since it is larger than the sum of its proper divisors (127858124).

165052564 is a wasteful number, since it uses less digits than its factorization.

165052564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581246 (or 581244 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 165052564 is about 12847.2784666637. The cubic root of 165052564 is about 548.5388921649.

The spelling of 165052564 in words is "one hundred sixty-five million, fifty-two thousand, five hundred sixty-four".

Divisors: 1 2 4 71 142 284 581171 1162342 2324684 41263141 82526282 165052564