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159992664 = 23313512797
BaseRepresentation
bin10011000100101…
…00101101011000
3102011001110200020
421202110231120
5311424231124
623513110440
73651625626
oct1142245530
9364043606
10159992664
1182347947
12456b8420
13271ba320
141736a516
15e0a5379
hex9894b58

159992664 has 32 divisors (see below), whose sum is σ = 430750320. Its totient is φ = 49228416.

The previous prime is 159992663. The next prime is 159992683. The reversal of 159992664 is 466299951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159992663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256087 + ... + 256710.

Almost surely, 2159992664 is an apocalyptic number.

It is an amenable number.

159992664 is an abundant number, since it is smaller than the sum of its proper divisors (270757656).

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

159992664 is a wasteful number, since it uses less digits than its factorization.

159992664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512819 (or 512815 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 159992664 is about 12648.8206564881. The cubic root of 159992664 is about 542.8752261223.

The spelling of 159992664 in words is "one hundred fifty-nine million, nine hundred ninety-two thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 512797 1025594 1538391 2051188 3076782 4102376 6153564 6666361 12307128 13332722 19999083 26665444 39998166 53330888 79996332 159992664