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165068984 = 2320633623
BaseRepresentation
bin10011101011011…
…00000010111000
3102111121101002002
421311230002320
5314224201414
624214000132
74043030453
oct1165540270
9374541062
10165068984
11851a4853
1247346048
1328276a72
1417ccc49a
15e7594de
hex9d6c0b8

165068984 has 8 divisors (see below), whose sum is σ = 309504360. Its totient is φ = 82534488.

The previous prime is 165068947. The next prime is 165069041. The reversal of 165068984 is 489860561.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10316804 + ... + 10316819.

It is an arithmetic number, because the mean of its divisors is an integer number (38688045).

Almost surely, 2165068984 is an apocalyptic number.

It is an amenable number.

165068984 is a deficient number, since it is larger than the sum of its proper divisors (144435376).

165068984 is a wasteful number, since it uses less digits than its factorization.

165068984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20633629 (or 20633625 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 165068984 is about 12847.9174966218. The cubic root of 165068984 is about 548.5570817439.

The spelling of 165068984 in words is "one hundred sixty-five million, sixty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 20633623 41267246 82534492 165068984