Base | Representation |
---|---|
bin | 111010101000… |
… | …1000000100101 |
3 | 2010211210001200 |
4 | 1311101000211 |
5 | 30332144032 |
6 | 3014513113 |
7 | 522201333 |
oct | 165210045 |
9 | 63753050 |
10 | 30740517 |
11 | 16396895 |
12 | a365799 |
13 | 64a4072 |
14 | 4122b53 |
15 | 2a7347c |
hex | 1d51025 |
30740517 has 12 divisors (see below), whose sum is σ = 44476224. Its totient is φ = 20459880.
The previous prime is 30740509. The next prime is 30740531. The reversal of 30740517 is 71504703.
It is not a de Polignac number, because 30740517 - 23 = 30740509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30740587) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3748 + ... + 8690.
It is an arithmetic number, because the mean of its divisors is an integer number (3706352).
Almost surely, 230740517 is an apocalyptic number.
It is an amenable number.
30740517 is a deficient number, since it is larger than the sum of its proper divisors (13735707).
30740517 is a wasteful number, since it uses less digits than its factorization.
30740517 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5640 (or 5637 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 30740517 is about 5544.4131339575. The cubic root of 30740517 is about 313.2591191621.
The spelling of 30740517 in words is "thirty million, seven hundred forty thousand, five hundred seventeen".
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