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137421480 = 23357223371
BaseRepresentation
bin10000011000011…
…10001010101000
3100120120201211110
420030032022220
5240134441410
621345230320
73256030500
oct1014161250
9316521743
10137421480
1170630879
123a0323a0
13226167b1
1414372a00
15c0e7720
hex830e2a8

137421480 has 96 divisors (see below), whose sum is σ = 479593440. Its totient is φ = 31409280.

The previous prime is 137421469. The next prime is 137421499. The reversal of 137421480 is 84124731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5806 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (4995765).

Almost surely, 2137421480 is an apocalyptic number.

137421480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137421480 is an abundant number, since it is smaller than the sum of its proper divisors (342171960).

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

137421480 is a wasteful number, since it uses less digits than its factorization.

137421480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23399 (or 23388 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 137421480 is about 11722.6908173849. The cubic root of 137421480 is about 516.0417909786.

The spelling of 137421480 in words is "one hundred thirty-seven million, four hundred twenty-one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 23371 46742 70113 93484 116855 140226 163597 186968 233710 280452 327194 350565 467420 490791 560904 654388 701130 817985 934840 981582 1145179 1308776 1402260 1635970 1963164 2290358 2453955 2804520 3271940 3435537 3926328 4580716 4907910 5725895 6543880 6871074 9161432 9815820 11451790 13742148 17177685 19631640 22903580 27484296 34355370 45807160 68710740 137421480