Base | Representation |
---|---|
bin | 111010110100… |
… | …0010001111100 |
3 | 2011000121211000 |
4 | 1311220101330 |
5 | 30343221321 |
6 | 3020530300 |
7 | 523046253 |
oct | 165502174 |
9 | 64017730 |
10 | 30835836 |
11 | 16451469 |
12 | a3b0990 |
13 | 6508575 |
14 | 414979a |
15 | 2a91826 |
hex | 1d6847c |
30835836 has 24 divisors (see below), whose sum is σ = 79945040. Its totient is φ = 10278576.
The previous prime is 30835811. The next prime is 30835867. The reversal of 30835836 is 63853803.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 30835836.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142651 + ... + 142866.
Almost surely, 230835836 is an apocalyptic number.
30835836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30835836 is an abundant number, since it is smaller than the sum of its proper divisors (49109204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30835836 is a wasteful number, since it uses less digits than its factorization.
30835836 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285530 (or 285522 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 30835836 is about 5553.0024311178. The cubic root of 30835836 is about 313.5825656480.
The spelling of 30835836 in words is "thirty million, eight hundred thirty-five thousand, eight hundred thirty-six".
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