Base | Representation |
---|---|
bin | 111001101111… |
… | …0000101110011 |
3 | 2002221212101010 |
4 | 1303132011303 |
5 | 30222113221 |
6 | 3000442003 |
7 | 515201115 |
oct | 163360563 |
9 | 62855333 |
10 | 30269811 |
11 | 160a5180 |
12 | a179303 |
13 | 636aa40 |
14 | 403d3b5 |
15 | 29cdc76 |
hex | 1cde173 |
30269811 has 32 divisors (see below), whose sum is σ = 48722688. Its totient is φ = 16467840.
The previous prime is 30269791. The next prime is 30269821. The reversal of 30269811 is 11896203.
It is not a de Polignac number, because 30269811 - 27 = 30269683 is a prime.
It is a super-2 number, since 2×302698112 = 1832522915951442, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30269821) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14920 + ... + 16826.
It is an arithmetic number, because the mean of its divisors is an integer number (1522584).
Almost surely, 230269811 is an apocalyptic number.
30269811 is a deficient number, since it is larger than the sum of its proper divisors (18452877).
30269811 is a wasteful number, since it uses less digits than its factorization.
30269811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1971.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 30269811 is about 5501.8007052237. The cubic root of 30269811 is about 311.6519891029.
The spelling of 30269811 in words is "thirty million, two hundred sixty-nine thousand, eight hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •