Base | Representation |
---|---|
bin | 111001001111… |
… | …1010001110100 |
3 | 2002110210110021 |
4 | 1302133101310 |
5 | 30140400112 |
6 | 2551134524 |
7 | 513050044 |
oct | 162372164 |
9 | 62423407 |
10 | 30012532 |
11 | 15a39950 |
12 | a074444 |
13 | 62aa8c4 |
14 | 3db3724 |
15 | 297c907 |
hex | 1c9f474 |
30012532 has 24 divisors (see below), whose sum is σ = 57435840. Its totient is φ = 13608960.
The previous prime is 30012527. The next prime is 30012553. The reversal of 30012532 is 23521003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33393 + ... + 34279.
It is an arithmetic number, because the mean of its divisors is an integer number (2393160).
Almost surely, 230012532 is an apocalyptic number.
It is an amenable number.
30012532 is a deficient number, since it is larger than the sum of its proper divisors (27423308).
30012532 is a wasteful number, since it uses less digits than its factorization.
30012532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1671 (or 1669 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 30012532 is about 5478.3694654523. The cubic root of 30012532 is about 310.7665110586.
Adding to 30012532 its reverse (23521003), we get a palindrome (53533535).
The spelling of 30012532 in words is "thirty million, twelve thousand, five hundred thirty-two".
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