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161082922 = 271113174733
BaseRepresentation
bin10011001100111…
…10111000101010
3102020002212020011
421212132320222
5312214123142
623552322134
73664116340
oct1146367052
9366085204
10161082922
1182a21a90
1245b4334a
13274ac650
1417571990
15e21d417
hex999ee2a

161082922 has 64 divisors (see below), whose sum is σ = 343574784. Its totient is φ = 54512640.

The previous prime is 161082917. The next prime is 161082923. The reversal of 161082922 is 229280161.

It is not an unprimeable number, because it can be changed into a prime (161082923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31668 + ... + 36400.

It is an arithmetic number, because the mean of its divisors is an integer number (5368356).

Almost surely, 2161082922 is an apocalyptic number.

161082922 is an abundant number, since it is smaller than the sum of its proper divisors (182491862).

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

161082922 is a wasteful number, since it uses less digits than its factorization.

161082922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 161082922 is about 12691.8447043761. The cubic root of 161082922 is about 544.1055631539.

The spelling of 161082922 in words is "one hundred sixty-one million, eighty-two thousand, nine hundred twenty-two".

Divisors: 1 2 7 11 13 14 17 22 26 34 77 91 119 143 154 182 187 221 238 286 374 442 1001 1309 1547 2002 2431 2618 3094 4733 4862 9466 17017 33131 34034 52063 61529 66262 80461 104126 123058 160922 364441 430703 563227 676819 728882 861406 885071 1045993 1126454 1353638 1770142 2091986 4737733 6195497 7321951 9475466 11505923 12390994 14643902 23011846 80541461 161082922