Base | Representation |
---|---|
bin | 111010001010… |
… | …1111110111100 |
3 | 2010101111102021 |
4 | 1310111332330 |
5 | 30301424443 |
6 | 3005405524 |
7 | 520143430 |
oct | 164257674 |
9 | 63344367 |
10 | 30498748 |
11 | 16241185 |
12 | a2698a4 |
13 | 641acc7 |
14 | 409c9c0 |
15 | 2a269ed |
hex | 1d15fbc |
30498748 has 36 divisors (see below), whose sum is σ = 64813840. Its totient is φ = 12298752.
The previous prime is 30498737. The next prime is 30498757. The reversal of 30498748 is 84789403.
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, 6208 + ... + 9976.
Almost surely, 230498748 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 30498748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32406920).
30498748 is an abundant number, since it is smaller than the sum of its proper divisors (34315092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30498748 is a wasteful number, since it uses less digits than its factorization.
30498748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3814 (or 3795 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 30498748 is about 5522.5671566763. The cubic root of 30498748 is about 312.4357132827.
The spelling of 30498748 in words is "thirty million, four hundred ninety-eight thousand, seven hundred forty-eight".
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