Base | Representation |
---|---|
bin | 111010100111… |
… | …1101000110011 |
3 | 2010211111100121 |
4 | 1311033220303 |
5 | 30332004044 |
6 | 3014431111 |
7 | 522146056 |
oct | 165175063 |
9 | 63744317 |
10 | 30734899 |
11 | 16392648 |
12 | a362497 |
13 | 64a1640 |
14 | 4120a9d |
15 | 2a71984 |
hex | 1d4fa33 |
30734899 has 4 divisors (see below), whose sum is σ = 33099136. Its totient is φ = 28370664.
The previous prime is 30734863. The next prime is 30734903. The reversal of 30734899 is 99843703.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99843703 = 17 ⋅5873159.
It is a cyclic number.
It is not a de Polignac number, because 30734899 - 27 = 30734771 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30734399) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182099 + ... + 1182124.
It is an arithmetic number, because the mean of its divisors is an integer number (8274784).
Almost surely, 230734899 is an apocalyptic number.
30734899 is a deficient number, since it is larger than the sum of its proper divisors (2364237).
30734899 is a wasteful number, since it uses less digits than its factorization.
30734899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2364236.
The product of its (nonzero) digits is 163296, while the sum is 43.
The square root of 30734899 is about 5543.9064746801. The cubic root of 30734899 is about 313.2400347189.
The spelling of 30734899 in words is "thirty million, seven hundred thirty-four thousand, eight hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •