Base | Representation |
---|---|
bin | 111010101000… |
… | …1100010010011 |
3 | 2010211220000121 |
4 | 1311101202103 |
5 | 30332231200 |
6 | 3014531111 |
7 | 522210535 |
oct | 165214223 |
9 | 63756017 |
10 | 30742675 |
11 | 16398477 |
12 | a366a97 |
13 | 64a5042 |
14 | 4123855 |
15 | 2a73e1a |
hex | 1d51893 |
30742675 has 6 divisors (see below), whose sum is σ = 38120948. Its totient is φ = 24594120.
The previous prime is 30742643. The next prime is 30742693. The reversal of 30742675 is 57624703.
It is a happy number.
It is not a de Polignac number, because 30742675 - 25 = 30742643 is a prime.
It is a super-2 number, since 2×307426752 = 1890224132311250, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30742675.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614829 + ... + 614878.
Almost surely, 230742675 is an apocalyptic number.
30742675 is a deficient number, since it is larger than the sum of its proper divisors (7378273).
30742675 is a wasteful number, since it uses less digits than its factorization.
30742675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229717 (or 1229712 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 34.
The square root of 30742675 is about 5544.6077408596. The cubic root of 30742675 is about 313.2664493073.
The spelling of 30742675 in words is "thirty million, seven hundred forty-two thousand, six hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •