Base | Representation |
---|---|
bin | 111010111111… |
… | …0011000101011 |
3 | 2011012020000110 |
4 | 1311332120223 |
5 | 30404121004 |
6 | 3022505403 |
7 | 523604241 |
oct | 165763053 |
9 | 64166013 |
10 | 30926379 |
11 | 165034a0 |
12 | a435263 |
13 | 653a843 |
14 | 4170791 |
15 | 2aad589 |
hex | 1d7e62b |
30926379 has 16 divisors (see below), whose sum is σ = 45077760. Its totient is φ = 18704160.
The previous prime is 30926359. The next prime is 30926387. The reversal of 30926379 is 97362903.
It is not a de Polignac number, because 30926379 - 223 = 22537771 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30926359) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27129 + ... + 28245.
It is an arithmetic number, because the mean of its divisors is an integer number (2817360).
Almost surely, 230926379 is an apocalyptic number.
30926379 is a deficient number, since it is larger than the sum of its proper divisors (14151381).
30926379 is a wasteful number, since it uses less digits than its factorization.
30926379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1970.
The product of its (nonzero) digits is 61236, while the sum is 39.
The square root of 30926379 is about 5561.1490719095. The cubic root of 30926379 is about 313.8891889951.
The spelling of 30926379 in words is "thirty million, nine hundred twenty-six thousand, three hundred seventy-nine".
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