Base | Representation |
---|---|
bin | 111010101100… |
… | …0111001111010 |
3 | 2010220102102111 |
4 | 1311120321322 |
5 | 30334212413 |
6 | 3015322534 |
7 | 522364534 |
oct | 165307172 |
9 | 63812374 |
10 | 30772858 |
11 | 16409116 |
12 | a38044a |
13 | 64b59bc |
14 | 4130854 |
15 | 2a7cd3d |
hex | 1d58e7a |
30772858 has 8 divisors (see below), whose sum is σ = 46791828. Its totient is φ = 15175584.
The previous prime is 30772811. The next prime is 30772871. The reversal of 30772858 is 85827703.
It can be written as a sum of positive squares in 2 ways, for example, as 29778849 + 994009 = 5457^2 + 997^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30772858.
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, 105241 + ... + 105532.
Almost surely, 230772858 is an apocalyptic number.
30772858 is a deficient number, since it is larger than the sum of its proper divisors (16018970).
30772858 is a wasteful number, since it uses less digits than its factorization.
30772858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210848.
The product of its (nonzero) digits is 94080, while the sum is 40.
The square root of 30772858 is about 5547.3289067803. The cubic root of 30772858 is about 313.3689369029.
The spelling of 30772858 in words is "thirty million, seven hundred seventy-two thousand, eight hundred fifty-eight".
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