Base | Representation |
---|---|
bin | 111010110111… |
… | …0101110100010 |
3 | 2011001222001000 |
4 | 1311232232202 |
5 | 30400042432 |
6 | 3021252430 |
7 | 523216245 |
oct | 165565642 |
9 | 64058030 |
10 | 30862242 |
11 | 1646a294 |
12 | a404116 |
13 | 65175a8 |
14 | 415525c |
15 | 2a9957c |
hex | 1d6eba2 |
30862242 has 32 divisors (see below), whose sum is σ = 72619200. Its totient is φ = 9681984.
The previous prime is 30862201. The next prime is 30862243. The reversal of 30862242 is 24226803.
30862242 is a `hidden beast` number, since 30 + 8 + 622 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30862243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15892 + ... + 17727.
It is an arithmetic number, because the mean of its divisors is an integer number (2269350).
Almost surely, 230862242 is an apocalyptic number.
30862242 is an abundant number, since it is smaller than the sum of its proper divisors (41756958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30862242 is a wasteful number, since it uses less digits than its factorization.
30862242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33647 (or 33641 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The square root of 30862242 is about 5555.3795549899. The cubic root of 30862242 is about 313.6720513438.
The spelling of 30862242 in words is "thirty million, eight hundred sixty-two thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •