Base | Representation |
---|---|
bin | 111010000110… |
… | …0001010100100 |
3 | 2010022110020210 |
4 | 1310030022210 |
5 | 30244133112 |
6 | 3004455420 |
7 | 516615246 |
oct | 164141244 |
9 | 63273223 |
10 | 30458532 |
11 | 16213a45 |
12 | a24a570 |
13 | 6405900 |
14 | 408c096 |
15 | 2a19b3c |
hex | 1d0c2a4 |
30458532 has 72 divisors (see below), whose sum is σ = 80426304. Its totient is φ = 8950656.
The previous prime is 30458521. The next prime is 30458557. The reversal of 30458532 is 23585403.
It is a self number, because there is not a number n which added to its sum of digits gives 30458532.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46318 + ... + 46970.
It is an arithmetic number, because the mean of its divisors is an integer number (1117032).
Almost surely, 230458532 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 30458532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40213152).
30458532 is an abundant number, since it is smaller than the sum of its proper divisors (49967772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30458532 is a wasteful number, since it uses less digits than its factorization.
30458532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 709 (or 694 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 30458532 is about 5518.9248953034. The cubic root of 30458532 is about 312.2983257693.
The spelling of 30458532 in words is "thirty million, four hundred fifty-eight thousand, five hundred thirty-two".
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