Base | Representation |
---|---|
bin | 111010110111… |
… | …1000001111110 |
3 | 2011002000202002 |
4 | 1311233001332 |
5 | 30400112421 |
6 | 3021302302 |
7 | 523223003 |
oct | 165570176 |
9 | 64060662 |
10 | 30863486 |
11 | 16470215 |
12 | a404992 |
13 | 6518024 |
14 | 41558aa |
15 | 2a99b0b |
hex | 1d6f07e |
30863486 has 16 divisors (see below), whose sum is σ = 48883200. Its totient is φ = 14574168.
The previous prime is 30863419. The next prime is 30863501. The reversal of 30863486 is 68436803.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13331 + ... + 15473.
It is an arithmetic number, because the mean of its divisors is an integer number (3055200).
Almost surely, 230863486 is an apocalyptic number.
30863486 is a deficient number, since it is larger than the sum of its proper divisors (18019714).
30863486 is a wasteful number, since it uses less digits than its factorization.
30863486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2543.
The product of its (nonzero) digits is 82944, while the sum is 38.
The square root of 30863486 is about 5555.4915174087. The cubic root of 30863486 is about 313.6762658009.
The spelling of 30863486 in words is "thirty million, eight hundred sixty-three thousand, four hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •