Base | Representation |
---|---|
bin | 111001010101… |
… | …0010000100100 |
3 | 2002120002011001 |
4 | 1302222100210 |
5 | 30143320013 |
6 | 2552123044 |
7 | 513325135 |
oct | 162522044 |
9 | 62502131 |
10 | 30057508 |
11 | 15a6a718 |
12 | a096484 |
13 | 62c5210 |
14 | 3dc5c8c |
15 | 298addd |
hex | 1caa424 |
30057508 has 12 divisors (see below), whose sum is σ = 56646940. Its totient is φ = 13872672.
The previous prime is 30057463. The next prime is 30057523. The reversal of 30057508 is 80575003.
It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 25887744 = 2042^2 + 5088^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288963 + ... + 289066.
Almost surely, 230057508 is an apocalyptic number.
It is an amenable number.
30057508 is a deficient number, since it is larger than the sum of its proper divisors (26589432).
30057508 is a wasteful number, since it uses less digits than its factorization.
30057508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578046 (or 578044 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 30057508 is about 5482.4727997501. The cubic root of 30057508 is about 310.9216691165.
The spelling of 30057508 in words is "thirty million, fifty-seven thousand, five hundred eight".
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