Base | Representation |
---|---|
bin | 111010001011… |
… | …0011110100000 |
3 | 2010101121012002 |
4 | 1310112132200 |
5 | 30302011033 |
6 | 3005423132 |
7 | 520152344 |
oct | 164263640 |
9 | 63347162 |
10 | 30500768 |
11 | 16242751 |
12 | a26aaa8 |
13 | 641bbbc |
14 | 409d624 |
15 | 2a273e8 |
hex | 1d167a0 |
30500768 has 12 divisors (see below), whose sum is σ = 60048450. Its totient is φ = 15250368.
The previous prime is 30500749. The next prime is 30500773. The reversal of 30500768 is 86700503.
It can be written as a sum of positive squares in only one way, i.e., 27583504 + 2917264 = 5252^2 + 1708^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30500768.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476543 + ... + 476606.
Almost surely, 230500768 is an apocalyptic number.
It is an amenable number.
30500768 is a deficient number, since it is larger than the sum of its proper divisors (29547682).
30500768 is an equidigital number, since it uses as much as digits as its factorization.
30500768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 953159 (or 953151 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 30500768 is about 5522.7500396089. The cubic root of 30500768 is about 312.4426109014.
The spelling of 30500768 in words is "thirty million, five hundred thousand, seven hundred sixty-eight".
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