Base | Representation |
---|---|
bin | 10010110011011… |
… | …00011010111000 |
3 | 101222210112112221 |
4 | 21121230122320 |
5 | 310334333423 |
6 | 23352413424 |
7 | 3623454436 |
oct | 1131543270 |
9 | 358715487 |
10 | 157730488 |
11 | 81042283 |
12 | 449a7274 |
13 | 268a7766 |
14 | 16d3bd56 |
15 | dca9e5d |
hex | 966c6b8 |
157730488 has 32 divisors (see below), whose sum is σ = 316269360. Its totient is φ = 73484800.
The previous prime is 157730483. The next prime is 157730509. The reversal of 157730488 is 884037751.
157730488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157730483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7995 + ... + 19477.
Almost surely, 2157730488 is an apocalyptic number.
It is an amenable number.
157730488 is an abundant number, since it is smaller than the sum of its proper divisors (158538872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157730488 is a wasteful number, since it uses less digits than its factorization.
157730488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11607 (or 11603 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 43.
The square root of 157730488 is about 12559.0799026043. The cubic root of 157730488 is about 540.3044556570.
The spelling of 157730488 in words is "one hundred fifty-seven million, seven hundred thirty thousand, four hundred eighty-eight".
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