Search a number
-
+
137882530 = 2529475457
BaseRepresentation
bin10000011011111…
…10101110100010
3100121110011021101
420031332232202
5240244220110
621403145014
73262660612
oct1015765642
9317404241
10137882530
1170916205
123a21516a
13227485c6
1414452a42
15c18913a
hex837eba2

137882530 has 16 divisors (see below), whose sum is σ = 256747320. Its totient is φ = 53251072.

The previous prime is 137882527. The next prime is 137882551. The reversal of 137882530 is 35288731.

It can be written as a sum of positive squares in 4 ways, for example, as 63250209 + 74632321 = 7953^2 + 8639^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137882530.

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, 237439 + ... + 238018.

Almost surely, 2137882530 is an apocalyptic number.

137882530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137882530 is a deficient number, since it is larger than the sum of its proper divisors (118864790).

137882530 is a wasteful number, since it uses less digits than its factorization.

137882530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475493.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 137882530 is about 11742.3392047752. The cubic root of 137882530 is about 516.6182546846.

The spelling of 137882530 in words is "one hundred thirty-seven million, eight hundred eighty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 475457 950914 2377285 4754570 13788253 27576506 68941265 137882530