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155116052 = 227131313253
BaseRepresentation
bin10010011111011…
…10001000010100
3101210212201012222
421033232020110
5304202203202
623220401512
73562315250
oct1117561024
9353781188
10155116052
117a616a93
1243b46298
13261a0760
141685b260
15d9404a2
hex93ee214

155116052 has 48 divisors (see below), whose sum is σ = 336749952. Its totient is φ = 60877440.

The previous prime is 155116051. The next prime is 155116069. The reversal of 155116052 is 250611551.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155116051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46058 + ... + 49310.

It is an arithmetic number, because the mean of its divisors is an integer number (7015624).

Almost surely, 2155116052 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 155116052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168374976).

155116052 is an abundant number, since it is smaller than the sum of its proper divisors (181633900).

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

155116052 is a wasteful number, since it uses less digits than its factorization.

155116052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3406 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 155116052 is about 12454.5594863889. The cubic root of 155116052 is about 537.3025654537.

The spelling of 155116052 in words is "one hundred fifty-five million, one hundred sixteen thousand, fifty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 131 182 262 364 524 917 1703 1834 3253 3406 3668 6506 6812 11921 13012 22771 23842 42289 45542 47684 84578 91084 169156 296023 426143 592046 852286 1184092 1704572 2983001 5539859 5966002 11079718 11932004 22159436 38779013 77558026 155116052