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137743660 = 2256887183
BaseRepresentation
bin10000011010111…
…00110100101100
3100121012002210001
420031130310230
5240230244120
621400154044
73261542005
oct1015346454
9317162701
10137743660
117083093a
123a168924
13226ca332
14144181ac
15c15ce0a
hex835cd2c

137743660 has 12 divisors (see below), whose sum is σ = 289261728. Its totient is φ = 55097456.

The previous prime is 137743643. The next prime is 137743679. The reversal of 137743660 is 66347731.

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 3 ways as a sum of consecutive naturals, for example, 3443572 + ... + 3443611.

It is an arithmetic number, because the mean of its divisors is an integer number (24105144).

Almost surely, 2137743660 is an apocalyptic number.

137743660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137743660 is an abundant number, since it is smaller than the sum of its proper divisors (151518068).

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

137743660 is a wasteful number, since it uses less digits than its factorization.

137743660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887192 (or 6887190 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 137743660 is about 11736.4244981170. The cubic root of 137743660 is about 516.4447570558. Note that the first 3 decimals are identical.

The spelling of 137743660 in words is "one hundred thirty-seven million, seven hundred forty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 6887183 13774366 27548732 34435915 68871830 137743660