Base | Representation |
---|---|
bin | 111010000010… |
… | …0000010100111 |
3 | 2010020202121022 |
4 | 1310010002213 |
5 | 30242102010 |
6 | 3004041355 |
7 | 516416240 |
oct | 164040247 |
9 | 63222538 |
10 | 30425255 |
11 | 161a0a43 |
12 | a23325b |
13 | 63c3713 |
14 | 407dcc7 |
15 | 2a0ed55 |
hex | 1d040a7 |
30425255 has 8 divisors (see below), whose sum is σ = 41726112. Its totient is φ = 20863008.
The previous prime is 30425221. The next prime is 30425267. The reversal of 30425255 is 55252403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30425255 - 212 = 30421159 is a prime.
It is a super-2 number, since 2×304252552 = 1851392283630050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434612 + ... + 434681.
It is an arithmetic number, because the mean of its divisors is an integer number (5215764).
Almost surely, 230425255 is an apocalyptic number.
30425255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30425255 is a deficient number, since it is larger than the sum of its proper divisors (11300857).
30425255 is an equidigital number, since it uses as much as digits as its factorization.
30425255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869305.
The product of its (nonzero) digits is 6000, while the sum is 26.
The square root of 30425255 is about 5515.9092632131. The cubic root of 30425255 is about 312.1845520835.
Adding to 30425255 its reverse (55252403), we get a palindrome (85677658).
The spelling of 30425255 in words is "thirty million, four hundred twenty-five thousand, two hundred fifty-five".
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