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165960424 = 23710727697
BaseRepresentation
bin10011110010001…
…01101011101000
3102120021122220101
421321011223220
5314441213144
624245035144
74053432430
oct1171055350
9376248811
10165960424
1185753583
12476b5ab4
13284c9746
14180812c0
15e8836d4
hex9e45ae8

165960424 has 32 divisors (see below), whose sum is σ = 358966080. Its totient is φ = 70458624.

The previous prime is 165960401. The next prime is 165960427. The reversal of 165960424 is 424069561.

165960424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1659604243 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (165960427) 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, 7857 + ... + 19840.

It is an arithmetic number, because the mean of its divisors is an integer number (11217690).

Almost surely, 2165960424 is an apocalyptic number.

165960424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165960424 is an abundant number, since it is smaller than the sum of its proper divisors (193005656).

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

165960424 is a wasteful number, since it uses less digits than its factorization.

165960424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27817 (or 27813 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 165960424 is about 12882.5627885138. The cubic root of 165960424 is about 549.5427869679.

The spelling of 165960424 in words is "one hundred sixty-five million, nine hundred sixty thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 107 214 428 749 856 1498 2996 5992 27697 55394 110788 193879 221576 387758 775516 1551032 2963579 5927158 11854316 20745053 23708632 41490106 82980212 165960424