Base | Representation |
---|---|
bin | 111001110010… |
… | …0101111001110 |
3 | 2010000020201112 |
4 | 1303210233032 |
5 | 30224001123 |
6 | 3001212022 |
7 | 515343362 |
oct | 163445716 |
9 | 63006645 |
10 | 30297038 |
11 | 16113682 |
12 | a191012 |
13 | 637a255 |
14 | 40492a2 |
15 | 29d6d78 |
hex | 1ce4bce |
30297038 has 8 divisors (see below), whose sum is σ = 45887088. Its totient is φ = 15001344.
The previous prime is 30297023. The next prime is 30297041. The reversal of 30297038 is 83079203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30296995 and 30297013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73331 + ... + 73742.
It is an arithmetic number, because the mean of its divisors is an integer number (5735886).
Almost surely, 230297038 is an apocalyptic number.
30297038 is a deficient number, since it is larger than the sum of its proper divisors (15590050).
30297038 is a wasteful number, since it uses less digits than its factorization.
30297038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147178.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 30297038 is about 5504.2745207702. The cubic root of 30297038 is about 311.7454023704.
The spelling of 30297038 in words is "thirty million, two hundred ninety-seven thousand, thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •