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137306480 = 24514911519
BaseRepresentation
bin10000010111100…
…10000101110000
3100120100220002012
420023302011300
5240122301410
621342542052
73255041303
oct1013620560
9316326065
10137306480
1170562433
1239b97928
13225a634c
1414342b3a
15c0c3605
hex82f2170

137306480 has 40 divisors (see below), whose sum is σ = 321408000. Its totient is φ = 54549248.

The previous prime is 137306479. The next prime is 137306509. The reversal of 137306480 is 84603731.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6161 + ... + 17679.

It is an arithmetic number, because the mean of its divisors is an integer number (8035200).

Almost surely, 2137306480 is an apocalyptic number.

137306480 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 137306480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160704000).

137306480 is an abundant number, since it is smaller than the sum of its proper divisors (184101520).

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

137306480 is a wasteful number, since it uses less digits than its factorization.

137306480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681 (or 11675 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 137306480 is about 11717.7847735824. The cubic root of 137306480 is about 515.8978024072.

The spelling of 137306480 in words is "one hundred thirty-seven million, three hundred six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 149 298 596 745 1192 1490 2384 2980 5960 11519 11920 23038 46076 57595 92152 115190 184304 230380 460760 921520 1716331 3432662 6865324 8581655 13730648 17163310 27461296 34326620 68653240 137306480