Base | Representation |
---|---|
bin | 111010000011… |
… | …1001111011000 |
3 | 2010021102120200 |
4 | 1310013033120 |
5 | 30243011420 |
6 | 3004222200 |
7 | 516502401 |
oct | 164071730 |
9 | 63242520 |
10 | 30438360 |
11 | 161aa877 |
12 | a23a960 |
13 | 63c9684 |
14 | 40849a8 |
15 | 2a13b90 |
hex | 1d073d8 |
30438360 has 48 divisors (see below), whose sum is σ = 98925840. Its totient is φ = 8116800.
The previous prime is 30438349. The next prime is 30438391. The reversal of 30438360 is 6383403.
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 11 ways as a sum of consecutive naturals, for example, 41916 + ... + 42635.
It is an arithmetic number, because the mean of its divisors is an integer number (2060955).
Almost surely, 230438360 is an apocalyptic number.
30438360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30438360 is an abundant number, since it is smaller than the sum of its proper divisors (68487480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30438360 is a wasteful number, since it uses less digits than its factorization.
30438360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84568 (or 84561 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
The square root of 30438360 is about 5517.0970627677. The cubic root of 30438360 is about 312.2293678273.
The spelling of 30438360 in words is "thirty million, four hundred thirty-eight thousand, three hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •