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163797956 = 22740914303
BaseRepresentation
bin10011100001101…
…01101111000100
3102102012210112222
421300311233010
5313413013311
624130431512
74026155030
oct1160655704
9372183488
10163797956
1184506913
1246a32598
1327c2038a
1417a7b1c0
15e5a7adb
hex9c35bc4

163797956 has 24 divisors (see below), whose sum is σ = 328419840. Its totient is φ = 70022592.

The previous prime is 163797947. The next prime is 163797967. The reversal of 163797956 is 659797361.

It is a happy number.

163797956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163797898 and 163797907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (13684160).

Almost surely, 2163797956 is an apocalyptic number.

It is an amenable number.

163797956 is an abundant number, since it is smaller than the sum of its proper divisors (164621884).

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

163797956 is a wasteful number, since it uses less digits than its factorization.

163797956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723 (or 14721 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 53.

The square root of 163797956 is about 12798.3575508735. The cubic root of 163797956 is about 547.1454927938.

The spelling of 163797956 in words is "one hundred sixty-three million, seven hundred ninety-seven thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 409 818 1636 2863 5726 11452 14303 28606 57212 100121 200242 400484 5849927 11699854 23399708 40949489 81898978 163797956