Search a number
-
+
137389448 = 23712311993
BaseRepresentation
bin10000011000001…
…10010110001000
3100120112002220002
420030012112020
5240132430243
621344422132
73255535220
oct1014062610
9316462802
10137389448
11706097a9
123a017948
1322605041
1414365080
15c0dceb8
hex8306588

137389448 has 32 divisors (see below), whose sum is σ = 294792960. Its totient is φ = 58803840.

The previous prime is 137389423. The next prime is 137389451. The reversal of 137389448 is 844983731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67940 + ... + 69932.

It is an arithmetic number, because the mean of its divisors is an integer number (9212280).

Almost surely, 2137389448 is an apocalyptic number.

It is an amenable number.

137389448 is an abundant number, since it is smaller than the sum of its proper divisors (157403512).

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

137389448 is a wasteful number, since it uses less digits than its factorization.

137389448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3233 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 137389448 is about 11721.3244985368. The cubic root of 137389448 is about 516.0016926011.

The spelling of 137389448 in words is "one hundred thirty-seven million, three hundred eighty-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 1231 1993 2462 3986 4924 7972 8617 9848 13951 15944 17234 27902 34468 55804 68936 111608 2453383 4906766 9813532 17173681 19627064 34347362 68694724 137389448