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161347104 = 2532560233
BaseRepresentation
bin10011001110111…
…11011000100000
3102020121021121200
421213133120200
5312301101404
624002121200
73666266502
oct1147373040
9366537550
10161347104
1183092516
1246050200
1327572979
14175ddd72
15e271839
hex99df620

161347104 has 36 divisors (see below), whose sum is σ = 458831646. Its totient is φ = 53782272.

The previous prime is 161347091. The next prime is 161347127. The reversal of 161347104 is 401743161.

It is a happy number.

161347104 is a `hidden beast` number, since 1 + 613 + 47 + 1 + 0 + 4 = 666.

161347104 is digitally balanced in base 2 and base 3, because in such bases 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., 86490000 + 74857104 = 9300^2 + 8652^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 279829 + ... + 280404.

Almost surely, 2161347104 is an apocalyptic number.

It is an amenable number.

161347104 is an abundant number, since it is smaller than the sum of its proper divisors (297484542).

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

161347104 is a wasteful number, since it uses less digits than its factorization.

161347104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560249 (or 560238 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 161347104 is about 12702.2479900213. The cubic root of 161347104 is about 544.4028518306.

The spelling of 161347104 in words is "one hundred sixty-one million, three hundred forty-seven thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 560233 1120466 1680699 2240932 3361398 4481864 5042097 6722796 8963728 10084194 13445592 17927456 20168388 26891184 40336776 53782368 80673552 161347104