Base | Representation |
---|---|
bin | 111010001110… |
… | …0010001100000 |
3 | 2010102210202111 |
4 | 1310130101200 |
5 | 30303241022 |
6 | 3010125104 |
7 | 520311514 |
oct | 164342140 |
9 | 63383674 |
10 | 30524512 |
11 | 16259577 |
12 | a280794 |
13 | 6429955 |
14 | 40a8144 |
15 | 2a2e477 |
hex | 1d1c460 |
30524512 has 36 divisors (see below), whose sum is σ = 61270020. Its totient is φ = 14969088.
The previous prime is 30524509. The next prime is 30524531. The reversal of 30524512 is 21542503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170439 + ... + 170617.
It is an arithmetic number, because the mean of its divisors is an integer number (1701945).
Almost surely, 230524512 is an apocalyptic number.
30524512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30524512 is an abundant number, since it is smaller than the sum of its proper divisors (30745508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30524512 is an equidigital number, since it uses as much as digits as its factorization.
30524512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335 (or 254 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 30524512 is about 5524.8992751000. The cubic root of 30524512 is about 312.5236658344.
Subtracting from 30524512 its reverse (21542503), we obtain a square (8982009 = 29972).
The spelling of 30524512 in words is "thirty million, five hundred twenty-four thousand, five hundred twelve".
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