Base | Representation |
---|---|
bin | 111001100000… |
… | …1100000001000 |
3 | 2002201220202010 |
4 | 1303001200020 |
5 | 30204341322 |
6 | 2554135520 |
7 | 514202532 |
oct | 163014010 |
9 | 62656663 |
10 | 30152712 |
11 | 160251a7 |
12 | a1215a0 |
13 | 6329655 |
14 | 400c852 |
15 | 29a920c |
hex | 1cc1808 |
30152712 has 32 divisors (see below), whose sum is σ = 77222880. Its totient is φ = 9805440.
The previous prime is 30152657. The next prime is 30152767. The reversal of 30152712 is 21725103.
It is an interprime number because it is at equal distance from previous prime (30152657) and next prime (30152767).
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, 14338 + ... + 16305.
It is an arithmetic number, because the mean of its divisors is an integer number (2413215).
Almost surely, 230152712 is an apocalyptic number.
It is an amenable number.
30152712 is an abundant number, since it is smaller than the sum of its proper divisors (47070168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30152712 is a wasteful number, since it uses less digits than its factorization.
30152712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30693 (or 30689 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 30152712 is about 5491.1485137446. The cubic root of 30152712 is about 311.2495937157.
Adding to 30152712 its reverse (21725103), we get a palindrome (51877815).
The spelling of 30152712 in words is "thirty million, one hundred fifty-two thousand, seven hundred twelve".
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