Base | Representation |
---|---|
bin | 111001110100… |
… | …0001000111000 |
3 | 2010000221211110 |
4 | 1303220020320 |
5 | 30224422333 |
6 | 3001400320 |
7 | 515432112 |
oct | 163501070 |
9 | 63027743 |
10 | 30310968 |
11 | 16123096 |
12 | a1990a0 |
13 | 63836ac |
14 | 40503b2 |
15 | 29db063 |
hex | 1ce8238 |
30310968 has 16 divisors (see below), whose sum is σ = 75777480. Its totient is φ = 10103648.
The previous prime is 30310939. The next prime is 30310979. The reversal of 30310968 is 86901303.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631455 + ... + 631502.
Almost surely, 230310968 is an apocalyptic number.
It is an amenable number.
30310968 is an abundant number, since it is smaller than the sum of its proper divisors (45466512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30310968 is a wasteful number, since it uses less digits than its factorization.
30310968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1262966 (or 1262962 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 30310968 is about 5505.5397555553. The cubic root of 30310968 is about 311.7931732457.
It can be divided in two parts, 30 and 310968, that multiplied together give a triangular number (9329040 = T4319).
The spelling of 30310968 in words is "thirty million, three hundred ten thousand, nine hundred sixty-eight".
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