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137950872 = 23323249911
BaseRepresentation
bin10000011100011…
…11011010011000
3100121120122000120
420032033122120
5240303411442
621404433240
73263364063
oct1016173230
9317518016
10137950872
1170962594
123a248820
1322770747
141446d8da
15c19e4ec
hex838f698

137950872 has 32 divisors (see below), whose sum is σ = 359873280. Its totient is φ = 43984160.

The previous prime is 137950871. The next prime is 137950873. The reversal of 137950872 is 278059731.

It is an interprime number because it is at equal distance from previous prime (137950871) and next prime (137950873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137950871) 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 7 ways as a sum of consecutive naturals, for example, 124404 + ... + 125507.

It is an arithmetic number, because the mean of its divisors is an integer number (11246040).

Almost surely, 2137950872 is an apocalyptic number.

137950872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137950872 is an abundant number, since it is smaller than the sum of its proper divisors (221922408).

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

137950872 is a wasteful number, since it uses less digits than its factorization.

137950872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249943 (or 249939 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 137950872 is about 11745.2489117941. The cubic root of 137950872 is about 516.7035951868.

The spelling of 137950872 in words is "one hundred thirty-seven million, nine hundred fifty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 249911 499822 749733 999644 1499466 1999288 2998932 5747953 5997864 11495906 17243859 22991812 34487718 45983624 68975436 137950872