Base | Representation |
---|---|
bin | 111010000000… |
… | …0000011000100 |
3 | 2010012221011120 |
4 | 1310000003010 |
5 | 30241041100 |
6 | 3003433540 |
7 | 516320454 |
oct | 164000304 |
9 | 63187146 |
10 | 30408900 |
11 | 1618a725 |
12 | a2258b0 |
13 | 63b9142 |
14 | 4077d64 |
15 | 2a0a0a0 |
hex | 1d000c4 |
30408900 has 36 divisors (see below), whose sum is σ = 87983952. Its totient is φ = 8108960.
The previous prime is 30408883. The next prime is 30408913. The reversal of 30408900 is 980403.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
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 11 ways as a sum of consecutive naturals, for example, 50382 + ... + 50981.
Almost surely, 230408900 is an apocalyptic number.
30408900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30408900 is an abundant number, since it is smaller than the sum of its proper divisors (57575052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30408900 is a wasteful number, since it uses less digits than its factorization.
30408900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101380 (or 101373 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 30408900 is about 5514.4265341013. The cubic root of 30408900 is about 312.1286041165.
The spelling of 30408900 in words is "thirty million, four hundred eight thousand, nine hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •