Base | Representation |
---|---|
bin | 111010100101… |
… | …0001101111010 |
3 | 2010210100220100 |
4 | 1311022031322 |
5 | 30330301243 |
6 | 3014140230 |
7 | 522024252 |
oct | 165121572 |
9 | 63710810 |
10 | 30712698 |
11 | 163779a5 |
12 | a351676 |
13 | 64944c3 |
14 | 4116962 |
15 | 2a6a0d3 |
hex | 1d4a37a |
30712698 has 24 divisors (see below), whose sum is σ = 66748500. Its totient is φ = 10206144.
The previous prime is 30712697. The next prime is 30712729. The reversal of 30712698 is 89621703.
It can be written as a sum of positive squares in 2 ways, for example, as 29192409 + 1520289 = 5403^2 + 1233^2 .
It is not an unprimeable number, because it can be changed into a prime (30712691) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3838 + ... + 8726.
Almost surely, 230712698 is an apocalyptic number.
30712698 is an abundant number, since it is smaller than the sum of its proper divisors (36035802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30712698 is a wasteful number, since it uses less digits than its factorization.
30712698 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5246 (or 5243 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 30712698 is about 5541.9038244993. The cubic root of 30712698 is about 313.1645947755.
The spelling of 30712698 in words is "thirty million, seven hundred twelve thousand, six hundred ninety-eight".
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