Base | Representation |
---|---|
bin | 111001000101… |
… | …0001000101010 |
3 | 2002022101122210 |
4 | 1302022020222 |
5 | 30130112210 |
6 | 2545225550 |
7 | 512236416 |
oct | 162121052 |
9 | 62271583 |
10 | 29925930 |
11 | 1598a881 |
12 | a0322b6 |
13 | 627a368 |
14 | 3d8dd46 |
15 | 2961e20 |
hex | 1c8a22a |
29925930 has 32 divisors (see below), whose sum is σ = 72074304. Its totient is φ = 7952256.
The previous prime is 29925913. The next prime is 29925947. The reversal of 29925930 is 3952992.
It is an interprime number because it is at equal distance from previous prime (29925913) and next prime (29925947).
It is a super-2 number, since 2×299259302 = 1791122572729800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797 + ... + 10983.
It is an arithmetic number, because the mean of its divisors is an integer number (2252322).
Almost surely, 229925930 is an apocalyptic number.
29925930 is an abundant number, since it is smaller than the sum of its proper divisors (42148374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29925930 is a wasteful number, since it uses less digits than its factorization.
29925930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3510.
The product of its (nonzero) digits is 43740, while the sum is 39.
The square root of 29925930 is about 5470.4597612998. The cubic root of 29925930 is about 310.4673146091.
The spelling of 29925930 in words is "twenty-nine million, nine hundred twenty-five thousand, nine hundred thirty".
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