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163361992 = 23894792
BaseRepresentation
bin10011011110010…
…11010011001000
3102101101122112011
421233023103020
5313310040432
624113225304
74022361013
oct1157132310
9371348464
10163361992
1184239312
1246862234
1327ac9b01
14179a637a
15e51d847
hex9bcb4c8

163361992 has 24 divisors (see below), whose sum is σ = 310393350. Its totient is φ = 80594624.

The previous prime is 163361987. The next prime is 163362007. The reversal of 163361992 is 299163361.

163361992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155102116 + 8259876 = 12454^2 + 2874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 340809 + ... + 341287.

Almost surely, 2163361992 is an apocalyptic number.

It is an amenable number.

163361992 is a deficient number, since it is larger than the sum of its proper divisors (147031358).

163361992 is an frugal number, since it uses more digits than its factorization.

163361992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 570 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 163361992 is about 12781.3141734330. The cubic root of 163361992 is about 546.6596347169.

The spelling of 163361992 in words is "one hundred sixty-three million, three hundred sixty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 89 178 356 479 712 958 1916 3832 42631 85262 170524 229441 341048 458882 917764 1835528 20420249 40840498 81680996 163361992