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137282980 = 22519361271
BaseRepresentation
bin10000010111011…
…00010110100100
3100120022200211211
420023230112210
5240121023410
621342241204
73254612632
oct1013542644
9316280754
10137282980
117054680a
1239b86204
1322598743
1414338352
15c0bb68a
hex82ec5a4

137282980 has 24 divisors (see below), whose sum is σ = 303468480. Its totient is φ = 52022880.

The previous prime is 137282953. The next prime is 137283011. The reversal of 137282980 is 89282731.

137282980 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

137282980 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180256 + ... + 181015.

It is an arithmetic number, because the mean of its divisors is an integer number (12644520).

Almost surely, 2137282980 is an apocalyptic number.

137282980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137282980 is an abundant number, since it is smaller than the sum of its proper divisors (166185500).

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

137282980 is a wasteful number, since it uses less digits than its factorization.

137282980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361299 (or 361297 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 137282980 is about 11716.7819814145. The cubic root of 137282980 is about 515.8683687634.

The spelling of 137282980 in words is "one hundred thirty-seven million, two hundred eighty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 361271 722542 1445084 1806355 3612710 6864149 7225420 13728298 27456596 34320745 68641490 137282980