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137184320 = 2657213673
BaseRepresentation
bin10000010110101…
…00010001000000
3100120010200111202
420023110101000
5240104344240
621340200332
73254022200
oct1013242100
9316120452
10137184320
1170489679
1239b390a8
1322562870
1414310400
15c09c315
hex82d4440

137184320 has 168 divisors, whose sum is σ = 409843224. Its totient is φ = 43352064.

The previous prime is 137184293. The next prime is 137184323. The reversal of 137184320 is 23481731.

It can be written as a sum of positive squares in 4 ways, for example, as 200704 + 136983616 = 448^2 + 11704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137184323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203504 + ... + 204176.

It is an arithmetic number, because the mean of its divisors is an integer number (2439543).

Almost surely, 2137184320 is an apocalyptic number.

137184320 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 137184320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204921612).

137184320 is an abundant number, since it is smaller than the sum of its proper divisors (272658904).

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

137184320 is a wasteful number, since it uses less digits than its factorization.

137184320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 137184320 is about 11712.5710243311. The cubic root of 137184320 is about 515.7447608931.

The spelling of 137184320 in words is "one hundred thirty-seven million, one hundred eighty-four thousand, three hundred twenty".