Base | Representation |
---|---|
bin | 111001111111… |
… | …1110011101100 |
3 | 2010012212211010 |
4 | 1303333303230 |
5 | 30241023131 |
6 | 3003425220 |
7 | 516314550 |
oct | 163776354 |
9 | 63185733 |
10 | 30407916 |
11 | 16189a10 |
12 | a225210 |
13 | 63b8866 |
14 | 4077860 |
15 | 2a09b46 |
hex | 1cffcec |
30407916 has 48 divisors (see below), whose sum is σ = 88462080. Its totient is φ = 7897920.
The previous prime is 30407911. The next prime is 30407939. The reversal of 30407916 is 61970403.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30407911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15531 + ... + 17378.
It is an arithmetic number, because the mean of its divisors is an integer number (1842960).
Almost surely, 230407916 is an apocalyptic number.
It is an amenable number.
30407916 is an abundant number, since it is smaller than the sum of its proper divisors (58054164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30407916 is a wasteful number, since it uses less digits than its factorization.
30407916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32934 (or 32932 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 30407916 is about 5514.3373128600. The cubic root of 30407916 is about 312.1252373625.
The spelling of 30407916 in words is "thirty million, four hundred seven thousand, nine hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •