Base | Representation |
---|---|
bin | 10010101000000… |
… | …001010011001010 |
3 | 210202222200022021 |
4 | 102220001103022 |
5 | 1114443342340 |
6 | 51001315054 |
7 | 10513021144 |
oct | 2250012312 |
9 | 722880267 |
10 | 312480970 |
11 | 15042963a |
12 | 88795a8a |
13 | 4c97a9a9 |
14 | 2d701c94 |
15 | 1c676e4a |
hex | 12a014ca |
312480970 has 8 divisors (see below), whose sum is σ = 562465764. Its totient is φ = 124992384.
The previous prime is 312480937. The next prime is 312480983. The reversal of 312480970 is 79084213.
It can be written as a sum of positive squares in 2 ways, for example, as 300571569 + 11909401 = 17337^2 + 3451^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×3124809702 = 195288713224281800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15624039 + ... + 15624058.
Almost surely, 2312480970 is an apocalyptic number.
312480970 is a deficient number, since it is larger than the sum of its proper divisors (249984794).
312480970 is a wasteful number, since it uses less digits than its factorization.
312480970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31248104.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 312480970 is about 17677.1312717873. The cubic root of 312480970 is about 678.5906291045.
The spelling of 312480970 in words is "three hundred twelve million, four hundred eighty thousand, nine hundred seventy".
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