Base | Representation |
---|---|
bin | 10010110000001… |
… | …00001110000000 |
3 | 101221222212002020 |
4 | 21120010032000 |
5 | 310232204210 |
6 | 23335321440 |
7 | 3620026212 |
oct | 1130041600 |
9 | 357885066 |
10 | 157303680 |
11 | 80880646 |
12 | 44820280 |
13 | 26788401 |
14 | 16c6a5b2 |
15 | dc23770 |
hex | 9604380 |
157303680 has 64 divisors (see below), whose sum is σ = 501411600. Its totient is φ = 41947136.
The previous prime is 157303651. The next prime is 157303681. The reversal of 157303680 is 86303751.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157303681) 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, 39045 + ... + 42884.
Almost surely, 2157303680 is an apocalyptic number.
157303680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
157303680 is an abundant number, since it is smaller than the sum of its proper divisors (344107920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157303680 is an equidigital number, since it uses as much as digits as its factorization.
157303680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81951 (or 81939 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 157303680 is about 12542.0763831193. The cubic root of 157303680 is about 539.8166730223.
The spelling of 157303680 in words is "one hundred fifty-seven million, three hundred three thousand, six hundred eighty".
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