Base | Representation |
---|---|
bin | 111010111001… |
… | …0111010101110 |
3 | 2011002211120201 |
4 | 1311302322232 |
5 | 30401120111 |
6 | 3021504114 |
7 | 523320265 |
oct | 165627256 |
9 | 64084521 |
10 | 30879406 |
11 | 16481178 |
12 | a41203a |
13 | 652234c |
14 | 415b5dc |
15 | 2a9e6c1 |
hex | 1d72eae |
30879406 has 16 divisors (see below), whose sum is σ = 46937520. Its totient is φ = 15235200.
The previous prime is 30879383. The next prime is 30879419. The reversal of 30879406 is 60497803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76806 + ... + 77206.
It is an arithmetic number, because the mean of its divisors is an integer number (2933595).
Almost surely, 230879406 is an apocalyptic number.
30879406 is a deficient number, since it is larger than the sum of its proper divisors (16058114).
30879406 is a wasteful number, since it uses less digits than its factorization.
30879406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 819.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 30879406 is about 5556.9241492034. The cubic root of 30879406 is about 313.7301900160.
The spelling of 30879406 in words is "thirty million, eight hundred seventy-nine thousand, four hundred six".
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