Base | Representation |
---|---|
bin | 111001111110… |
… | …0010101001000 |
3 | 2010012011021120 |
4 | 1303330111020 |
5 | 30240044142 |
6 | 3003235240 |
7 | 516225201 |
oct | 163742510 |
9 | 63164246 |
10 | 30393672 |
11 | 1617a241 |
12 | a218b20 |
13 | 63b222a |
14 | 40725a8 |
15 | 2a057ec |
hex | 1cfc548 |
30393672 has 32 divisors (see below), whose sum is σ = 79289280. Its totient is φ = 9690560.
The previous prime is 30393667. The next prime is 30393683. The reversal of 30393672 is 27639303.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26979 + ... + 28082.
It is an arithmetic number, because the mean of its divisors is an integer number (2477790).
Almost surely, 230393672 is an apocalyptic number.
It is an amenable number.
30393672 is an abundant number, since it is smaller than the sum of its proper divisors (48895608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30393672 is a wasteful number, since it uses less digits than its factorization.
30393672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55093 (or 55089 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 33.
The square root of 30393672 is about 5513.0456192562. The cubic root of 30393672 is about 312.0764934075.
The spelling of 30393672 in words is "thirty million, three hundred ninety-three thousand, six hundred seventy-two".
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