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137486480 = 24517432351
BaseRepresentation
bin10000011000111…
…10000010010000
3100120201000222212
420030132002100
5240144031410
621350451252
73256421135
oct1014360220
9316630885
10137486480
117067569a
123a063b28
132263a261
141438c58c
15c10bb05
hex831e090

137486480 has 80 divisors (see below), whose sum is σ = 346477824. Its totient is φ = 50534400.

The previous prime is 137486471. The next prime is 137486501. The reversal of 137486480 is 84684731.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57305 + ... + 59655.

Almost surely, 2137486480 is an apocalyptic number.

137486480 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 137486480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173238912).

137486480 is an abundant number, since it is smaller than the sum of its proper divisors (208991344).

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

137486480 is a wasteful number, since it uses less digits than its factorization.

137486480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 137486480 is about 11725.4628906496. The cubic root of 137486480 is about 516.1231402923.

The spelling of 137486480 in words is "one hundred thirty-seven million, four hundred eighty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 43 68 80 85 86 136 170 172 215 272 340 344 430 680 688 731 860 1360 1462 1720 2351 2924 3440 3655 4702 5848 7310 9404 11696 11755 14620 18808 23510 29240 37616 39967 47020 58480 79934 94040 101093 159868 188080 199835 202186 319736 399670 404372 505465 639472 799340 808744 1010930 1598680 1617488 1718581 2021860 3197360 3437162 4043720 6874324 8087440 8592905 13748648 17185810 27497296 34371620 68743240 137486480