Base | Representation |
---|---|
bin | 111011000000… |
… | …0101100100100 |
3 | 2011012201000000 |
4 | 1312000230210 |
5 | 30404421334 |
6 | 3023021300 |
7 | 523643652 |
oct | 166005444 |
9 | 64181000 |
10 | 30935844 |
11 | 1650a615 |
12 | a43a830 |
13 | 6541c44 |
14 | 4173dd2 |
15 | 2ab1299 |
hex | 1d80b24 |
30935844 has 63 divisors (see below), whose sum is σ = 81965163. Its totient is φ = 10211832.
The previous prime is 30935813. The next prime is 30935873. The reversal of 30935844 is 44853903.
The square root of 30935844 is 5562.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 30935799 and 30935808.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 300297 + ... + 300399.
Almost surely, 230935844 is an apocalyptic number.
30935844 is the 5562-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30935844
30935844 is an abundant number, since it is smaller than the sum of its proper divisors (51029319).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30935844 is an equidigital number, since it uses as much as digits as its factorization.
30935844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228 (or 108 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The cubic root of 30935844 is about 313.9212075957.
Multiplying 30935844 by its sum of digits (36), we get a square (1113690384 = 333722).
30935844 divided by its sum of digits (36) gives a square (859329 = 9272).
The spelling of 30935844 in words is "thirty million, nine hundred thirty-five thousand, eight hundred forty-four".
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