Base | Representation |
---|---|
bin | 111010000010… |
… | …0001100100000 |
3 | 2010020210110202 |
4 | 1310010030200 |
5 | 30242112023 |
6 | 3004044332 |
7 | 516421133 |
oct | 164041440 |
9 | 63223422 |
10 | 30425888 |
11 | 161a1469 |
12 | a2336a8 |
13 | 63c3aac |
14 | 408021a |
15 | 2a10128 |
hex | 1d04320 |
30425888 has 12 divisors (see below), whose sum is σ = 59901030. Its totient is φ = 15212928.
The previous prime is 30425881. The next prime is 30425909. The reversal of 30425888 is 88852403.
It can be written as a sum of positive squares in only one way, i.e., 28858384 + 1567504 = 5372^2 + 1252^2 .
It is not an unprimeable number, because it can be changed into a prime (30425881) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475373 + ... + 475436.
Almost surely, 230425888 is an apocalyptic number.
It is an amenable number.
30425888 is a deficient number, since it is larger than the sum of its proper divisors (29475142).
30425888 is an equidigital number, since it uses as much as digits as its factorization.
30425888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950819 (or 950811 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 38.
The square root of 30425888 is about 5515.9666423937. The cubic root of 30425888 is about 312.1867170771.
It can be divided in two parts, 30425 and 888, that added together give a palindrome (31313).
The spelling of 30425888 in words is "thirty million, four hundred twenty-five thousand, eight hundred eighty-eight".
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