Base | Representation |
---|---|
bin | 10010001100111… |
… | …01101101111010 |
3 | 101122022102122210 |
4 | 21012131231322 |
5 | 303042031110 |
6 | 23052355550 |
7 | 3532560660 |
oct | 1106355572 |
9 | 348272583 |
10 | 152689530 |
11 | 792099a4 |
12 | 43175bb6 |
13 | 25831146 |
14 | 163c8c30 |
15 | d611520 |
hex | 919db7a |
152689530 has 64 divisors (see below), whose sum is σ = 420507648. Its totient is φ = 34758720.
The previous prime is 152689513. The next prime is 152689549. The reversal of 152689530 is 35986251.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55569 + ... + 58251.
It is an arithmetic number, because the mean of its divisors is an integer number (6570432).
Almost surely, 2152689530 is an apocalyptic number.
152689530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 152689530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210253824).
152689530 is an abundant number, since it is smaller than the sum of its proper divisors (267818118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152689530 is a wasteful number, since it uses less digits than its factorization.
152689530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2971.
The product of its (nonzero) digits is 64800, while the sum is 39.
The square root of 152689530 is about 12356.7604978004. The cubic root of 152689530 is about 534.4861050741.
The spelling of 152689530 in words is "one hundred fifty-two million, six hundred eighty-nine thousand, five hundred thirty".
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