Search a number
-
+
137457284 = 22109315269
BaseRepresentation
bin10000011000101…
…10111010000100
3100120122112221112
420030112322010
5240142113114
621350104152
73256240046
oct1014267204
9316575845
10137457284
1170655768
123a04b058
1322629b93
1414381a96
15c10313e
hex8316e84

137457284 has 12 divisors (see below), whose sum is σ = 242757900. Its totient is φ = 68097888.

The previous prime is 137457277. The next prime is 137457293. The reversal of 137457284 is 482754731.

It can be written as a sum of positive squares in 2 ways, for example, as 106543684 + 30913600 = 10322^2 + 5560^2 .

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 3 ways as a sum of consecutive naturals, for example, 157199 + ... + 158070.

It is an arithmetic number, because the mean of its divisors is an integer number (20229825).

Almost surely, 2137457284 is an apocalyptic number.

It is an amenable number.

137457284 is a deficient number, since it is larger than the sum of its proper divisors (105300616).

137457284 is a wasteful number, since it uses less digits than its factorization.

137457284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315382 (or 315380 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 137457284 is about 11724.2178417155. The cubic root of 137457284 is about 516.0866038562.

The spelling of 137457284 in words is "one hundred thirty-seven million, four hundred fifty-seven thousand, two hundred eighty-four".

Divisors: 1 2 4 109 218 436 315269 630538 1261076 34364321 68728642 137457284