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161030466 = 2328946137
BaseRepresentation
bin10011001100100…
…10000101000010
3102020000012021100
421212102011002
5312210433331
623551235230
73663510402
oct1146220502
9366005240
10161030466
1182996633
1245b18b16
13274917cc
141755a802
15e20cae6
hex9992142

161030466 has 12 divisors (see below), whose sum is σ = 348899382. Its totient is φ = 53676816.

The previous prime is 161030447. The next prime is 161030479. The reversal of 161030466 is 664030161.

161030466 is a `hidden beast` number, since 1 + 610 + 3 + 0 + 46 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110691441 + 50339025 = 10521^2 + 7095^2 .

It is a Curzon number.

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, 4473051 + ... + 4473086.

Almost surely, 2161030466 is an apocalyptic number.

161030466 is an abundant number, since it is smaller than the sum of its proper divisors (187868916).

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

161030466 is a wasteful number, since it uses less digits than its factorization.

161030466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946145 (or 8946142 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 161030466 is about 12689.7780122428. The cubic root of 161030466 is about 544.0464948186.

The spelling of 161030466 in words is "one hundred sixty-one million, thirty thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 8946137 17892274 26838411 53676822 80515233 161030466