Base | Representation |
---|---|
bin | 111010100001… |
… | …0010100001100 |
3 | 2010201201111121 |
4 | 1311002110030 |
5 | 30323232312 |
6 | 3013330324 |
7 | 521531014 |
oct | 165022414 |
9 | 63651447 |
10 | 30680332 |
11 | 16355651 |
12 | a3369a4 |
13 | 6482857 |
14 | 4108c44 |
15 | 2a60707 |
hex | 1d4250c |
30680332 has 6 divisors (see below), whose sum is σ = 53690588. Its totient is φ = 15340164.
The previous prime is 30680329. The next prime is 30680333. The reversal of 30680332 is 23308603.
It is a junction number, because it is equal to n+sod(n) for n = 30680297 and 30680306.
It is not an unprimeable number, because it can be changed into a prime (30680333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3835038 + ... + 3835045.
Almost surely, 230680332 is an apocalyptic number.
It is an amenable number.
30680332 is a deficient number, since it is larger than the sum of its proper divisors (23010256).
30680332 is a wasteful number, since it uses less digits than its factorization.
30680332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7670087 (or 7670085 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 25.
The square root of 30680332 is about 5538.9829391324. The cubic root of 30680332 is about 313.0545485674.
Adding to 30680332 its reverse (23308603), we get a palindrome (53988935).
The spelling of 30680332 in words is "thirty million, six hundred eighty thousand, three hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •