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137454220 = 22565910429
BaseRepresentation
bin10000011000101…
…10001010001100
3100120122101202001
420030112022030
5240142013340
621350042044
73256225111
oct1014261214
9316571661
10137454220
1170653432
123a049324
1322628677
1414380908
15c10229a
hex831628c

137454220 has 24 divisors (see below), whose sum is σ = 289119600. Its totient is φ = 54892992.

The previous prime is 137454199. The next prime is 137454269. The reversal of 137454220 is 22454731.

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, 7966 + ... + 18394.

It is an arithmetic number, because the mean of its divisors is an integer number (12046650).

Almost surely, 2137454220 is an apocalyptic number.

137454220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137454220 is an abundant number, since it is smaller than the sum of its proper divisors (151665380).

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

137454220 is a wasteful number, since it uses less digits than its factorization.

137454220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 137454220 is about 11724.0871712897. The cubic root of 137454220 is about 516.0827692077.

The spelling of 137454220 in words is "one hundred thirty-seven million, four hundred fifty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 659 1318 2636 3295 6590 10429 13180 20858 41716 52145 104290 208580 6872711 13745422 27490844 34363555 68727110 137454220