Base | Representation |
---|---|
bin | 111010000110… |
… | …1011110010000 |
3 | 2010022201121011 |
4 | 1310031132100 |
5 | 30244321023 |
6 | 3004540304 |
7 | 516640000 |
oct | 164153620 |
9 | 63281534 |
10 | 30463888 |
11 | 16217a74 |
12 | a251694 |
13 | 6408190 |
14 | 4090000 |
15 | 2a1b50d |
hex | 1d0d790 |
30463888 has 100 divisors (see below), whose sum is σ = 75369308. Its totient is φ = 11854080.
The previous prime is 30463879. The next prime is 30463889. The reversal of 30463888 is 88836403.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 28005264 = 1568^2 + 5292^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30463888.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30463889) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 499378 + ... + 499438.
Almost surely, 230463888 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 30463888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37684654).
30463888 is an abundant number, since it is smaller than the sum of its proper divisors (44905420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30463888 is an equidigital number, since it uses as much as digits as its factorization.
30463888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110 (or 83 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 40.
The square root of 30463888 is about 5519.4101134089. The cubic root of 30463888 is about 312.3166301293.
The spelling of 30463888 in words is "thirty million, four hundred sixty-three thousand, eight hundred eighty-eight".
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