Base | Representation |
---|---|
bin | 111010111101… |
… | …1111010101101 |
3 | 2011011201011000 |
4 | 1311323322231 |
5 | 30403310034 |
6 | 3022350513 |
7 | 523532616 |
oct | 165737255 |
9 | 64151130 |
10 | 30916269 |
11 | 164a693a |
12 | a42b439 |
13 | 6536067 |
14 | 416ac0d |
15 | 2aaa599 |
hex | 1d7bead |
30916269 has 32 divisors (see below), whose sum is σ = 48435200. Its totient is φ = 19459440.
The previous prime is 30916267. The next prime is 30916289. The reversal of 30916269 is 96261903.
It is not a de Polignac number, because 30916269 - 21 = 30916267 is a prime.
It is a super-2 number, since 2×309162692 = 1911631377760722, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30916261) 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, 35562 + ... + 36420.
It is an arithmetic number, because the mean of its divisors is an integer number (1513600).
Almost surely, 230916269 is an apocalyptic number.
It is an amenable number.
30916269 is a deficient number, since it is larger than the sum of its proper divisors (17518931).
30916269 is a wasteful number, since it uses less digits than its factorization.
30916269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 942 (or 936 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 36.
The square root of 30916269 is about 5560.2400128052. The cubic root of 30916269 is about 313.8549812446.
The spelling of 30916269 in words is "thirty million, nine hundred sixteen thousand, two hundred sixty-nine".
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