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168740968 = 23111917511
BaseRepresentation
bin10100000111011…
…00100001101000
3102202111221002111
422003230201220
5321144202333
624424412104
74116163114
oct1203544150
9382457074
10168740968
1187282650
1248617034
1328c61236
14185a6744
15ec324cd
hexa0ec868

168740968 has 16 divisors (see below), whose sum is σ = 345152160. Its totient is φ = 76700400.

The previous prime is 168740947. The next prime is 168740977. The reversal of 168740968 is 869047861.

It is an unprimeable number.

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, 958668 + ... + 958843.

It is an arithmetic number, because the mean of its divisors is an integer number (21572010).

Almost surely, 2168740968 is an apocalyptic number.

It is an amenable number.

168740968 is an abundant number, since it is smaller than the sum of its proper divisors (176411192).

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

168740968 is a wasteful number, since it uses less digits than its factorization.

168740968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917528 (or 1917524 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 168740968 is about 12990.0334102727. The cubic root of 168740968 is about 552.5948656061.

The spelling of 168740968 in words is "one hundred sixty-eight million, seven hundred forty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 1917511 3835022 7670044 15340088 21092621 42185242 84370484 168740968