Base | Representation |
---|---|
bin | 111010000101… |
… | …1111001110100 |
3 | 2010022101210002 |
4 | 1310023321310 |
5 | 30244114320 |
6 | 3004450432 |
7 | 516612155 |
oct | 164137164 |
9 | 63271702 |
10 | 30457460 |
11 | 16213160 |
12 | a249a18 |
13 | 6405287 |
14 | 408b92c |
15 | 2a19675 |
hex | 1d0be74 |
30457460 has 48 divisors (see below), whose sum is σ = 70277760. Its totient is φ = 10995840.
The previous prime is 30457417. The next prime is 30457481. The reversal of 30457460 is 6475403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36326 + ... + 37154.
It is an arithmetic number, because the mean of its divisors is an integer number (1464120).
Almost surely, 230457460 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 30457460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35138880).
30457460 is an abundant number, since it is smaller than the sum of its proper divisors (39820300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30457460 is a wasteful number, since it uses less digits than its factorization.
30457460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1016 (or 1014 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 29.
The square root of 30457460 is about 5518.8277740839. The cubic root of 30457460 is about 312.2946619056.
The spelling of 30457460 in words is "thirty million, four hundred fifty-seven thousand, four hundred sixty".
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