Base | Representation |
---|---|
bin | 111010111001… |
… | …1101010011000 |
3 | 2011002222202200 |
4 | 1311303222120 |
5 | 30401214311 |
6 | 3021530200 |
7 | 523332213 |
oct | 165635230 |
9 | 64088680 |
10 | 30882456 |
11 | 164834a0 |
12 | a413960 |
13 | 6523857 |
14 | 415c77a |
15 | 2aa0556 |
hex | 1d73a98 |
30882456 has 48 divisors (see below), whose sum is σ = 91245960. Its totient is φ = 9358080.
The previous prime is 30882437. The next prime is 30882461. The reversal of 30882456 is 65428803.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 30882456.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18705 + ... + 20288.
Almost surely, 230882456 is an apocalyptic number.
30882456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30882456 is an abundant number, since it is smaller than the sum of its proper divisors (60363504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30882456 is a wasteful number, since it uses less digits than its factorization.
30882456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39016 (or 39009 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 30882456 is about 5557.1985748217. The cubic root of 30882456 is about 313.7405188587.
The spelling of 30882456 in words is "thirty million, eight hundred eighty-two thousand, four hundred fifty-six".
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