Base | Representation |
---|---|
bin | 111010010100… |
… | …0010011001000 |
3 | 2010112022022210 |
4 | 1310220103020 |
5 | 30311330033 |
6 | 3011145120 |
7 | 520605231 |
oct | 164502310 |
9 | 63468283 |
10 | 30573768 |
11 | 16292585 |
12 | a2a51a0 |
13 | 64461b4 |
14 | 40bc088 |
15 | 2a3dd63 |
hex | 1d284c8 |
30573768 has 16 divisors (see below), whose sum is σ = 76434480. Its totient is φ = 10191248.
The previous prime is 30573761. The next prime is 30573773. The reversal of 30573768 is 86737503.
It is not an unprimeable number, because it can be changed into a prime (30573761) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636930 + ... + 636977.
It is an arithmetic number, because the mean of its divisors is an integer number (4777155).
Almost surely, 230573768 is an apocalyptic number.
It is an amenable number.
30573768 is an abundant number, since it is smaller than the sum of its proper divisors (45860712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30573768 is a wasteful number, since it uses less digits than its factorization.
30573768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1273916 (or 1273912 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 39.
The square root of 30573768 is about 5529.3551161053. The cubic root of 30573768 is about 312.6916771808.
The spelling of 30573768 in words is "thirty million, five hundred seventy-three thousand, seven hundred sixty-eight".
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