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137366580 = 2235132192331
BaseRepresentation
bin10000011000000…
…00110000110100
3100120110221112010
420030000300310
5240131212310
621344124220
73255411441
oct1014006064
9316427463
10137366580
11705a35aa
123a006670
13225c7800
141435a9c8
15c0d6320
hex8300c34

137366580 has 288 divisors, whose sum is σ = 472227840. Its totient is φ = 29652480.

The previous prime is 137366563. The next prime is 137366587. The reversal of 137366580 is 85663731.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137366587) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4431165 + ... + 4431195.

It is an arithmetic number, because the mean of its divisors is an integer number (1639680).

Almost surely, 2137366580 is an apocalyptic number.

137366580 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 137366580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236113920).

137366580 is an abundant number, since it is smaller than the sum of its proper divisors (334861260).

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

137366580 is a wasteful number, since it uses less digits than its factorization.

137366580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 137366580 is about 11720.3489709138. The cubic root of 137366580 is about 515.9730621115.

The spelling of 137366580 in words is "one hundred thirty-seven million, three hundred sixty-six thousand, five hundred eighty".