Base | Representation |
---|---|
bin | 111001011110… |
… | …0011110100100 |
3 | 2002200212111220 |
4 | 1302330132210 |
5 | 30203212012 |
6 | 2553500340 |
7 | 514055532 |
oct | 162743644 |
9 | 62625456 |
10 | 30132132 |
11 | 16010798 |
12 | a1116b0 |
13 | 6320184 |
14 | 4005152 |
15 | 29a308c |
hex | 1cbc7a4 |
30132132 has 12 divisors (see below), whose sum is σ = 70308336. Its totient is φ = 10044040.
The previous prime is 30132103. The next prime is 30132149. The reversal of 30132132 is 23123103.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255494 + ... + 1255517.
It is an arithmetic number, because the mean of its divisors is an integer number (5859028).
Almost surely, 230132132 is an apocalyptic number.
It is an amenable number.
30132132 is an abundant number, since it is smaller than the sum of its proper divisors (40176204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30132132 is a wasteful number, since it uses less digits than its factorization.
30132132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2511018 (or 2511016 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 30132132 is about 5489.2742689722. The cubic root of 30132132 is about 311.1787656533.
Adding to 30132132 its reverse (23123103), we get a palindrome (53255235).
The spelling of 30132132 in words is "thirty million, one hundred thirty-two thousand, one hundred thirty-two".
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