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137230560 = 25325157607
BaseRepresentation
bin10000010110111…
…11100011100000
3100120020000221100
420023133203200
5240112334220
621341154400
73254304045
oct1013374340
9316200840
10137230560
1170510395
1239b5ba00
132257a91c
14143231cc
15c0aad90
hex82df8e0

137230560 has 144 divisors (see below), whose sum is σ = 472058496. Its totient is φ = 36301824.

The previous prime is 137230517. The next prime is 137230573. The reversal of 137230560 is 65032731.

It is a happy number.

137230560 is a `hidden beast` number, since 1 + 3 + 72 + 30 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 225777 + ... + 226383.

It is an arithmetic number, because the mean of its divisors is an integer number (3278184).

Almost surely, 2137230560 is an apocalyptic number.

137230560 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 137230560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236029248).

137230560 is an abundant number, since it is smaller than the sum of its proper divisors (334827936).

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

137230560 is a wasteful number, since it uses less digits than its factorization.

137230560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 137230560 is about 11714.5448054971. The cubic root of 137230560 is about 515.8027008452.

The spelling of 137230560 in words is "one hundred thirty-seven million, two hundred thirty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 157 160 180 240 288 314 360 471 480 607 628 720 785 942 1214 1256 1413 1440 1570 1821 1884 2355 2428 2512 2826 3035 3140 3642 3768 4710 4856 5024 5463 5652 6070 6280 7065 7284 7536 9105 9420 9712 10926 11304 12140 12560 14130 14568 15072 18210 18840 19424 21852 22608 24280 25120 27315 28260 29136 36420 37680 43704 45216 48560 54630 56520 58272 72840 75360 87408 95299 97120 109260 113040 145680 174816 190598 218520 226080 285897 291360 381196 437040 476495 571794 762392 857691 874080 952990 1143588 1429485 1524784 1715382 1905980 2287176 2858970 3049568 3430764 3811960 4288455 4574352 5717940 6861528 7623920 8576910 9148704 11435880 13723056 15247840 17153820 22871760 27446112 34307640 45743520 68615280 137230560