Base | Representation |
---|---|
bin | 111010111011… |
… | …0101101011000 |
3 | 2011010121212220 |
4 | 1311312231120 |
5 | 30402114221 |
6 | 3022104040 |
7 | 523413462 |
oct | 165665530 |
9 | 64117786 |
10 | 30894936 |
11 | 16491906 |
12 | a41b020 |
13 | 6529437 |
14 | 4163132 |
15 | 2aa40c6 |
hex | 1d76b58 |
30894936 has 16 divisors (see below), whose sum is σ = 77237400. Its totient is φ = 10298304.
The previous prime is 30894923. The next prime is 30894959. The reversal of 30894936 is 63949803.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643621 + ... + 643668.
Almost surely, 230894936 is an apocalyptic number.
It is an amenable number.
30894936 is an abundant number, since it is smaller than the sum of its proper divisors (46342464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30894936 is a wasteful number, since it uses less digits than its factorization.
30894936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1287298 (or 1287294 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 30894936 is about 5558.3213293224. The cubic root of 30894936 is about 313.7827753679.
The spelling of 30894936 in words is "thirty million, eight hundred ninety-four thousand, nine hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •