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149377902 = 23316431249
BaseRepresentation
bin10001110011101…
…01001101101110
3101102002011221220
420321311031232
5301220043102
622453404210
73462456042
oct1071651556
9342064856
10149377902
1177357913
1242039666
1324c419bb
1415ba6022
15d1aa1bc
hex8e7536e

149377902 has 32 divisors (see below), whose sum is σ = 309120000. Its totient is φ = 48072960.

The previous prime is 149377901. The next prime is 149377919. The reversal of 149377902 is 209773941.

149377902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149377901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118974 + ... + 120222.

It is an arithmetic number, because the mean of its divisors is an integer number (9660000).

Almost surely, 2149377902 is an apocalyptic number.

149377902 is an abundant number, since it is smaller than the sum of its proper divisors (159742098).

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

149377902 is a wasteful number, since it uses less digits than its factorization.

149377902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 149377902 is about 12222.0252822517. The cubic root of 149377902 is about 530.5937359441.

The spelling of 149377902 in words is "one hundred forty-nine million, three hundred seventy-seven thousand, nine hundred two".

Divisors: 1 2 3 6 31 62 93 186 643 1249 1286 1929 2498 3747 3858 7494 19933 38719 39866 59799 77438 116157 119598 232314 803107 1606214 2409321 4818642 24896317 49792634 74688951 149377902