Base | Representation |
---|---|
bin | 111010010110… |
… | …0001110101101 |
3 | 2010120010102010 |
4 | 1310230032231 |
5 | 30312333434 |
6 | 3011351433 |
7 | 521003202 |
oct | 164541655 |
9 | 63503363 |
10 | 30589869 |
11 | 162a3692 |
12 | a2b2579 |
13 | 645061b |
14 | 40c3ca9 |
15 | 2a439e9 |
hex | 1d2c3ad |
30589869 has 16 divisors (see below), whose sum is σ = 41518400. Its totient is φ = 20030976.
The previous prime is 30589859. The next prime is 30589913. The reversal of 30589869 is 96898503.
It is not a de Polignac number, because 30589869 - 212 = 30585773 is a prime.
It is a super-2 number, since 2×305898692 = 1871480170874322, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30589859) 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, 45117 + ... + 45789.
It is an arithmetic number, because the mean of its divisors is an integer number (2594900).
Almost surely, 230589869 is an apocalyptic number.
It is an amenable number.
30589869 is a deficient number, since it is larger than the sum of its proper divisors (10928531).
30589869 is a wasteful number, since it uses less digits than its factorization.
30589869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 924.
The product of its (nonzero) digits is 466560, while the sum is 48.
The square root of 30589869 is about 5530.8108808745. The cubic root of 30589869 is about 312.7465582710.
The spelling of 30589869 in words is "thirty million, five hundred eighty-nine thousand, eight hundred sixty-nine".
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