Base | Representation |
---|---|
bin | 111010111000… |
… | …0001110010010 |
3 | 2011002021102222 |
4 | 1311300032102 |
5 | 30400241440 |
6 | 3021341042 |
7 | 523243151 |
oct | 165601622 |
9 | 64067388 |
10 | 30868370 |
11 | 16473955 |
12 | a407782 |
13 | 651a310 |
14 | 4157598 |
15 | 2a9b2b5 |
hex | 1d70392 |
30868370 has 32 divisors (see below), whose sum is σ = 60092928. Its totient is φ = 11348928.
The previous prime is 30868351. The next prime is 30868391. The reversal of 30868370 is 7386803.
It is a self number, because there is not a number n which added to its sum of digits gives 30868370.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47387 + ... + 48033.
It is an arithmetic number, because the mean of its divisors is an integer number (1877904).
Almost surely, 230868370 is an apocalyptic number.
30868370 is a deficient number, since it is larger than the sum of its proper divisors (29224558).
30868370 is a wasteful number, since it uses less digits than its factorization.
30868370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1034.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 30868370 is about 5555.9310650871. The cubic root of 30868370 is about 313.6928108544.
The spelling of 30868370 in words is "thirty million, eight hundred sixty-eight thousand, three hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •