Base | Representation |
---|---|
bin | 10010101111111… |
… | …00000111010101 |
3 | 101221221011112210 |
4 | 21113330013111 |
5 | 310230123420 |
6 | 23334504033 |
7 | 3616530351 |
oct | 1127740725 |
9 | 357834483 |
10 | 157270485 |
11 | 80858709 |
12 | 44805019 |
13 | 26776278 |
14 | 16c5c461 |
15 | dc189e0 |
hex | 95fc1d5 |
157270485 has 32 divisors (see below), whose sum is σ = 267121152. Its totient is φ = 78740480.
The previous prime is 157270453. The next prime is 157270493. The reversal of 157270485 is 584072751.
It is not a de Polignac number, because 157270485 - 25 = 157270453 is a prime.
It is a congruent number.
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, 172180 + ... + 173090.
It is an arithmetic number, because the mean of its divisors is an integer number (8347536).
Almost surely, 2157270485 is an apocalyptic number.
157270485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
157270485 is a deficient number, since it is larger than the sum of its proper divisors (109850667).
157270485 is a wasteful number, since it uses less digits than its factorization.
157270485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1613.
The product of its (nonzero) digits is 78400, while the sum is 39.
The square root of 157270485 is about 12540.7529678245. The cubic root of 157270485 is about 539.7786987569.
The spelling of 157270485 in words is "one hundred fifty-seven million, two hundred seventy thousand, four hundred eighty-five".
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