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137351312 = 2472414273
BaseRepresentation
bin10000010111111…
…01000010010000
3100120110011120122
420023331002100
5240130220222
621343525412
73255316100
oct1013750220
9316404518
10137351312
117059308a
1239bb9868
13225c0887
1414355200
15c0d1a42
hex82fd090

137351312 has 60 divisors (see below), whose sum is σ = 317190636. Its totient is φ = 57415680.

The previous prime is 137351311. The next prime is 137351317. The reversal of 137351312 is 213153731.

It can be written as a sum of positive squares in 2 ways, for example, as 19324816 + 118026496 = 4396^2 + 10864^2 .

It is not an unprimeable number, because it can be changed into a prime (137351311) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30008 + ... + 34280.

Almost surely, 2137351312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137351312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158595318).

137351312 is an abundant number, since it is smaller than the sum of its proper divisors (179839324).

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

137351312 is a wasteful number, since it uses less digits than its factorization.

137351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336 (or 4323 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 137351312 is about 11719.6976070204. The cubic root of 137351312 is about 515.9539449711.

The spelling of 137351312 in words is "one hundred thirty-seven million, three hundred fifty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 41 49 56 82 98 112 164 196 287 328 392 574 656 784 1148 2009 2296 4018 4273 4592 8036 8546 16072 17092 29911 32144 34184 59822 68368 119644 175193 209377 239288 350386 418754 478576 700772 837508 1226351 1401544 1675016 2452702 2803088 3350032 4905404 8584457 9810808 17168914 19621616 34337828 68675656 137351312