Base | Representation |
---|---|
bin | 111010111010… |
… | …0100010111101 |
3 | 2011010011201210 |
4 | 1311310202331 |
5 | 30401323302 |
6 | 3021555033 |
7 | 523345605 |
oct | 165644275 |
9 | 64104653 |
10 | 30886077 |
11 | 16486192 |
12 | a415a79 |
13 | 65253b1 |
14 | 415dc05 |
15 | 2aa166c |
hex | 1d748bd |
30886077 has 20 divisors (see below), whose sum is σ = 44019520. Its totient is φ = 19260072.
The previous prime is 30886067. The next prime is 30886091. The reversal of 30886077 is 77068803.
It is not a de Polignac number, because 30886077 - 27 = 30885949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30886007) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 390924 + ... + 391002.
It is an arithmetic number, because the mean of its divisors is an integer number (2200976).
Almost surely, 230886077 is an apocalyptic number.
It is an amenable number.
30886077 is a deficient number, since it is larger than the sum of its proper divisors (13133443).
30886077 is an frugal number, since it uses more digits than its factorization.
30886077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158 (or 101 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 30886077 is about 5557.5243589210. The cubic root of 30886077 is about 313.7527805132.
The spelling of 30886077 in words is "thirty million, eight hundred eighty-six thousand, seventy-seven".
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