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137472480 = 2532595467
BaseRepresentation
bin10000011000110…
…10100111100000
3100120200022210100
420030122213200
5240143104410
621350302400
73256332255
oct1014324740
9316608710
10137472480
1170666122
123a057a00
1322633a82
141438742c
15c1078c0
hex831a9e0

137472480 has 72 divisors (see below), whose sum is σ = 469129752. Its totient is φ = 36658944.

The previous prime is 137472479. The next prime is 137472487. The reversal of 137472480 is 84274731.

It is a happy number.

137472480 is a `hidden beast` number, since 137 + 47 + 2 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137472487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46294 + ... + 49173.

It is an arithmetic number, because the mean of its divisors is an integer number (6515691).

Almost surely, 2137472480 is an apocalyptic number.

137472480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137472480 is an abundant number, since it is smaller than the sum of its proper divisors (331657272).

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

137472480 is a wasteful number, since it uses less digits than its factorization.

137472480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95488 (or 95477 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 137472480 is about 11724.8658840944. The cubic root of 137472480 is about 516.1056210685.

The spelling of 137472480 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, four hundred eighty".

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 96 120 144 160 180 240 288 360 480 720 1440 95467 190934 286401 381868 477335 572802 763736 859203 954670 1145604 1432005 1527472 1718406 1909340 2291208 2864010 3054944 3436812 3818680 4296015 4582416 5728020 6873624 7637360 8592030 9164832 11456040 13747248 15274720 17184060 22912080 27494496 34368120 45824160 68736240 137472480