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155314688 = 29439691
BaseRepresentation
bin10010100000111…
…10101000000000
3101211020210200212
421100132220000
5304230032223
623224533252
73564103334
oct1120365000
9354223625
10155314688
117a742251
1244021228
132623cca9
14168ad7c4
15d97e278
hex941ea00

155314688 has 40 divisors (see below), whose sum is σ = 311483040. Its totient is φ = 77368320.

The previous prime is 155314661. The next prime is 155314693. The reversal of 155314688 is 886413551.

155314688 is digitally balanced in base 3, 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 3 ways as a sum of consecutive naturals, for example, 224423 + ... + 225113.

It is an arithmetic number, because the mean of its divisors is an integer number (7787076).

Almost surely, 2155314688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155314688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155741520).

155314688 is an abundant number, since it is smaller than the sum of its proper divisors (156168352).

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

155314688 is an frugal number, since it uses more digits than its factorization.

155314688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1132 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 155314688 is about 12462.5313640528. The cubic root of 155314688 is about 537.5318176946.

The spelling of 155314688 in words is "one hundred fifty-five million, three hundred fourteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 439 512 691 878 1382 1756 2764 3512 5528 7024 11056 14048 22112 28096 44224 56192 88448 112384 176896 224768 303349 353792 606698 1213396 2426792 4853584 9707168 19414336 38828672 77657344 155314688