Base | Representation |
---|---|
bin | 111001101001… |
… | …1010000110000 |
3 | 2002212121112100 |
4 | 1303103100300 |
5 | 30214203311 |
6 | 2555500400 |
7 | 514624602 |
oct | 163232060 |
9 | 62777470 |
10 | 30225456 |
11 | 16074918 |
12 | a157700 |
13 | 63537b1 |
14 | 402b172 |
15 | 29c0a56 |
hex | 1cd3430 |
30225456 has 60 divisors (see below), whose sum is σ = 89572392. Its totient is φ = 9481728.
The previous prime is 30225451. The next prime is 30225457. The reversal of 30225456 is 65452203.
It is not an unprimeable number, because it can be changed into a prime (30225451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3726 + ... + 8621.
Almost surely, 230225456 is an apocalyptic number.
30225456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30225456 is an abundant number, since it is smaller than the sum of its proper divisors (59346936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30225456 is a wasteful number, since it uses less digits than its factorization.
30225456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12378 (or 12369 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 30225456 is about 5497.7682744910. The cubic root of 30225456 is about 311.4996912535.
Adding to 30225456 its reverse (65452203), we get a palindrome (95677659).
The spelling of 30225456 in words is "thirty million, two hundred twenty-five thousand, four hundred fifty-six".
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