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137765852 = 2272702887
BaseRepresentation
bin10000011011000…
…10001111011100
3100121020020012222
420031202033130
5240232001402
621400444512
73261663500
oct1015421734
9317206188
10137765852
1170846584
123a179738
1322707473
1414422300
15c1647a2
hex83623dc

137765852 has 18 divisors (see below), whose sum is σ = 280452312. Its totient is φ = 59042424.

The previous prime is 137765813. The next prime is 137765857. The reversal of 137765852 is 258567731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137765857) 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 5 ways as a sum of consecutive naturals, for example, 351248 + ... + 351639.

It is an arithmetic number, because the mean of its divisors is an integer number (15580684).

Almost surely, 2137765852 is an apocalyptic number.

It is an amenable number.

137765852 is an abundant number, since it is smaller than the sum of its proper divisors (142686460).

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

137765852 is a wasteful number, since it uses less digits than its factorization.

137765852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702905 (or 702896 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 137765852 is about 11737.3698927826. The cubic root of 137765852 is about 516.4724905200.

The spelling of 137765852 in words is "one hundred thirty-seven million, seven hundred sixty-five thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 702887 1405774 2811548 4920209 9840418 19680836 34441463 68882926 137765852