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137306764 = 22729169097
BaseRepresentation
bin10000010111100…
…10001010001100
3100120100220110201
420023302022030
5240122304024
621342543244
73255042160
oct1013621214
9316326421
10137306764
1170562671
1239b97b24
13225a650a
1414342ca0
15c0c3744
hex82f228c

137306764 has 24 divisors (see below), whose sum is σ = 284084640. Its totient is φ = 56816256.

The previous prime is 137306761. The next prime is 137306779. The reversal of 137306764 is 467603731.

It is not an unprimeable number, because it can be changed into a prime (137306761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83737 + ... + 85360.

It is an arithmetic number, because the mean of its divisors is an integer number (11836860).

Almost surely, 2137306764 is an apocalyptic number.

137306764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137306764 is an abundant number, since it is smaller than the sum of its proper divisors (146777876).

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

137306764 is a wasteful number, since it uses less digits than its factorization.

137306764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169137 (or 169135 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 137306764 is about 11717.7968919076. The cubic root of 137306764 is about 515.8981580954.

The spelling of 137306764 in words is "one hundred thirty-seven million, three hundred six thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 169097 338194 676388 1183679 2367358 4734716 4903813 9807626 19615252 34326691 68653382 137306764