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155332160 = 2654211153
BaseRepresentation
bin10010100001000…
…10111001000000
3101211021200122222
421100202321000
5304231112120
623225150212
73564205304
oct1120427100
9354250588
10155332160
117a754395
124402b368
1326247c29
14168b5d04
15d984525
hex9422e40

155332160 has 56 divisors (see below), whose sum is σ = 371084856. Its totient is φ = 61931520.

The previous prime is 155332159. The next prime is 155332183. The reversal of 155332160 is 61233551.

It can be written as a sum of positive squares in 4 ways, for example, as 2166784 + 153165376 = 1472^2 + 12376^2 .

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, 134144 + ... + 135296.

Almost surely, 2155332160 is an apocalyptic number.

155332160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155332160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185542428).

155332160 is an abundant number, since it is smaller than the sum of its proper divisors (215752696).

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

155332160 is a wasteful number, since it uses less digits than its factorization.

155332160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 155332160 is about 12463.2323255245. The cubic root of 155332160 is about 537.5519733410.

The spelling of 155332160 in words is "one hundred fifty-five million, three hundred thirty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 421 842 1153 1684 2105 2306 3368 4210 4612 5765 6736 8420 9224 11530 13472 16840 18448 23060 26944 33680 36896 46120 67360 73792 92240 134720 184480 368960 485413 970826 1941652 2427065 3883304 4854130 7766608 9708260 15533216 19416520 31066432 38833040 77666080 155332160