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155295056 = 2471972977
BaseRepresentation
bin10010100000110…
…01110101010000
3101211012210202202
421100121311100
5304223420211
623224302332
73563662160
oct1120316520
9354183682
10155295056
117a729524
12440119a8
1326234087
14168a65a0
15d97853b
hex9419d50

155295056 has 40 divisors (see below), whose sum is σ = 361970880. Its totient is φ = 63051264.

The previous prime is 155295053. The next prime is 155295071. The reversal of 155295056 is 650592551.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155295053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34361 + ... + 38616.

It is an arithmetic number, because the mean of its divisors is an integer number (9049272).

Almost surely, 2155295056 is an apocalyptic number.

155295056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155295056 is an abundant number, since it is smaller than the sum of its proper divisors (206675824).

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

155295056 is a wasteful number, since it uses less digits than its factorization.

155295056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73011 (or 73005 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 38.

The square root of 155295056 is about 12461.7436982149. The cubic root of 155295056 is about 537.5091684753.

The spelling of 155295056 in words is "one hundred fifty-five million, two hundred ninety-five thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 72977 145954 291908 510839 583816 1021678 1167632 1386563 2043356 2773126 4086712 5546252 8173424 9705941 11092504 19411882 22185008 38823764 77647528 155295056