Base | Representation |
---|---|
bin | 111010000010… |
… | …0000100000000 |
3 | 2010020202201121 |
4 | 1310010010000 |
5 | 30242102334 |
6 | 3004042024 |
7 | 516416425 |
oct | 164040400 |
9 | 63222647 |
10 | 30425344 |
11 | 161a1014 |
12 | a233314 |
13 | 63c3781 |
14 | 407dd4c |
15 | 2a0edb4 |
hex | 1d04100 |
30425344 has 36 divisors (see below), whose sum is σ = 61199404. Its totient is φ = 15095808.
The previous prime is 30425323. The next prime is 30425357. The reversal of 30425344 is 44352403.
It can be written as a sum of positive squares in 2 ways, for example, as 13778944 + 16646400 = 3712^2 + 4080^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39814 + ... + 40570.
Almost surely, 230425344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30425344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30599702).
30425344 is an abundant number, since it is smaller than the sum of its proper divisors (30774060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30425344 is an equidigital number, since it uses as much as digits as its factorization.
30425344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930 (or 916 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 25.
The square root of 30425344 is about 5515.9173307801. The cubic root of 30425344 is about 312.1848564841.
Adding to 30425344 its reverse (44352403), we get a palindrome (74777747).
The spelling of 30425344 in words is "thirty million, four hundred twenty-five thousand, three hundred forty-four".
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