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137161420 = 225112327107
BaseRepresentation
bin10000010110011…
…10101011001100
3100120002112002121
420023032223030
5240103131140
621335502324
73253565344
oct1013165314
9316075077
10137161420
1170473450
1239b279a4
1322555306
1414305d24
15c09564a
hex82ceacc

137161420 has 48 divisors (see below), whose sum is σ = 327898368. Its totient is φ = 47706560.

The previous prime is 137161417. The next prime is 137161429. The reversal of 137161420 is 24161731.

It is not an unprimeable number, because it can be changed into a prime (137161429) 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, 8494 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (6831216).

Almost surely, 2137161420 is an apocalyptic number.

137161420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137161420 is an abundant number, since it is smaller than the sum of its proper divisors (190736948).

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

137161420 is a wasteful number, since it uses less digits than its factorization.

137161420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27150 (or 27148 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 137161420 is about 11711.5934014121. The cubic root of 137161420 is about 515.7160617622.

The spelling of 137161420 in words is "one hundred thirty-seven million, one hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 5060 27107 54214 108428 135535 271070 298177 542140 596354 623461 1192708 1246922 1490885 2493844 2981770 3117305 5963540 6234610 6858071 12469220 13716142 27432284 34290355 68580710 137161420