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155125052 = 2238781263
BaseRepresentation
bin10010011111100…
…00010100111100
3101210220011120022
421033300110330
5304203000202
623220511312
73562353425
oct1117602474
9353804508
10155125052
117a622825
1243b4b538
13261a4894
141686064c
15d942ea2
hex93f053c

155125052 has 6 divisors (see below), whose sum is σ = 271468848. Its totient is φ = 77562524.

The previous prime is 155125049. The next prime is 155125093. The reversal of 155125052 is 250521551.

155125052 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19390628 + ... + 19390635.

It is an arithmetic number, because the mean of its divisors is an integer number (45244808).

Almost surely, 2155125052 is an apocalyptic number.

It is an amenable number.

155125052 is a deficient number, since it is larger than the sum of its proper divisors (116343796).

155125052 is a wasteful number, since it uses less digits than its factorization.

155125052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38781267 (or 38781265 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 155125052 is about 12454.9207946097. The cubic root of 155125052 is about 537.3129568768.

The spelling of 155125052 in words is "one hundred fifty-five million, one hundred twenty-five thousand, fifty-two".

Divisors: 1 2 4 38781263 77562526 155125052