Base | Representation |
---|---|
bin | 111010000001… |
… | …0110000000000 |
3 | 2010020111100111 |
4 | 1310002300000 |
5 | 30241414333 |
6 | 3004001104 |
7 | 516364645 |
oct | 164026000 |
9 | 63214314 |
10 | 30419968 |
11 | 16197a77 |
12 | a230194 |
13 | 63c11a7 |
14 | 407bdcc |
15 | 2a0d4cd |
hex | 1d02c00 |
30419968 has 44 divisors (see below), whose sum is σ = 61934032. Its totient is φ = 14929920.
The previous prime is 30419941. The next prime is 30419971. The reversal of 30419968 is 86991403.
It is a self number, because there is not a number n which added to its sum of digits gives 30419968.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62221 + ... + 62707.
Almost surely, 230419968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30419968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30967016).
30419968 is an abundant number, since it is smaller than the sum of its proper divisors (31514064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30419968 is an equidigital number, since it uses as much as digits as its factorization.
30419968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568 (or 550 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 30419968 is about 5515.4299923034. The cubic root of 30419968 is about 312.1664682544.
The spelling of 30419968 in words is "thirty million, four hundred nineteen thousand, nine hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •