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137624980 = 22519715101
BaseRepresentation
bin10000011001111…
…11110110010100
3100120222001222111
420030333312110
5240212444410
621353440404
73260536003
oct1014776624
9316861874
10137624980
117075a759
123a110104
13226882cc
14143c6c3a
15c137b8a
hex833fd94

137624980 has 48 divisors (see below), whose sum is σ = 308568960. Its totient is φ = 51408000.

The previous prime is 137624969. The next prime is 137624989. The reversal of 137624980 is 89426731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137624989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24430 + ... + 29530.

It is an arithmetic number, because the mean of its divisors is an integer number (6428520).

Almost surely, 2137624980 is an apocalyptic number.

137624980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137624980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154284480).

137624980 is an abundant number, since it is smaller than the sum of its proper divisors (170943980).

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

137624980 is a wasteful number, since it uses less digits than its factorization.

137624980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200 (or 5198 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 137624980 is about 11731.3673542345. The cubic root of 137624980 is about 516.2963914246.

The spelling of 137624980 in words is "one hundred thirty-seven million, six hundred twenty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 71 76 95 142 190 284 355 380 710 1349 1420 2698 5101 5396 6745 10202 13490 20404 25505 26980 51010 96919 102020 193838 362171 387676 484595 724342 969190 1448684 1810855 1938380 3621710 6881249 7243420 13762498 27524996 34406245 68812490 137624980