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161041260 = 22352684021
BaseRepresentation
bin10011001100101…
…00101101101100
3102020000202002010
421212110231230
5312211310020
623551401220
73663554022
oct1146245554
9366022063
10161041260
11829a3756
1245b23210
13274966b3
1417560712
15e210de0
hex9994b6c

161041260 has 24 divisors (see below), whose sum is σ = 450915696. Its totient is φ = 42944320.

The previous prime is 161041259. The next prime is 161041301. The reversal of 161041260 is 62140161.

161041260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1341951 + ... + 1342070.

It is an arithmetic number, because the mean of its divisors is an integer number (18788154).

Almost surely, 2161041260 is an apocalyptic number.

161041260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161041260 is an abundant number, since it is smaller than the sum of its proper divisors (289874436).

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

161041260 is a wasteful number, since it uses less digits than its factorization.

161041260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684033 (or 2684031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 161041260 is about 12690.2033080641. The cubic root of 161041260 is about 544.0586505032.

The spelling of 161041260 in words is "one hundred sixty-one million, forty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2684021 5368042 8052063 10736084 13420105 16104126 26840210 32208252 40260315 53680420 80520630 161041260