Base | Representation |
---|---|
bin | 111010100100… |
… | …1001111001010 |
3 | 2010210011101121 |
4 | 1311021033022 |
5 | 30330134212 |
6 | 3014105454 |
7 | 522006454 |
oct | 165111712 |
9 | 63704347 |
10 | 30708682 |
11 | 16374984 |
12 | a34b28a |
13 | 6492724 |
14 | 41152d4 |
15 | 2a68d07 |
hex | 1d493ca |
30708682 has 4 divisors (see below), whose sum is σ = 46063026. Its totient is φ = 15354340.
The previous prime is 30708659. The next prime is 30708683. The reversal of 30708682 is 28680703.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28680703 = 4099 ⋅6997.
It can be written as a sum of positive squares in only one way, i.e., 30371121 + 337561 = 5511^2 + 581^2 .
It is not an unprimeable number, because it can be changed into a prime (30708683) by changing a digit.
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 as a sum of consecutive naturals, namely, 7677169 + ... + 7677172.
Almost surely, 230708682 is an apocalyptic number.
30708682 is a deficient number, since it is larger than the sum of its proper divisors (15354344).
30708682 is a wasteful number, since it uses less digits than its factorization.
30708682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15354343.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 30708682 is about 5541.5414822953. The cubic root of 30708682 is about 313.1509443538.
The spelling of 30708682 in words is "thirty million, seven hundred eight thousand, six hundred eighty-two".
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