Base | Representation |
---|---|
bin | 111001010000… |
… | …1101101100001 |
3 | 2002111022010100 |
4 | 1302201231201 |
5 | 30141204442 |
6 | 2551253013 |
7 | 513121101 |
oct | 162415541 |
9 | 62438110 |
10 | 30022497 |
11 | 15a4638a |
12 | a07a169 |
13 | 62b22bb |
14 | 3db7201 |
15 | 298084c |
hex | 1ca1b61 |
30022497 has 6 divisors (see below), whose sum is σ = 43365842. Its totient is φ = 20014992.
The previous prime is 30022441. The next prime is 30022507. The reversal of 30022497 is 79422003.
It can be written as a sum of positive squares in only one way, i.e., 19368801 + 10653696 = 4401^2 + 3264^2 .
It is not a de Polignac number, because 30022497 - 214 = 30006113 is a prime.
It is a super-2 number, since 2×300224972 = 1802700652230018, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30022497.
It is not an unprimeable number, because it can be changed into a prime (30022427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1667908 + ... + 1667925.
Almost surely, 230022497 is an apocalyptic number.
It is an amenable number.
30022497 is a deficient number, since it is larger than the sum of its proper divisors (13343345).
30022497 is a wasteful number, since it uses less digits than its factorization.
30022497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3335839 (or 3335836 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 30022497 is about 5479.2788759106. The cubic root of 30022497 is about 310.8009016437.
The spelling of 30022497 in words is "thirty million, twenty-two thousand, four hundred ninety-seven".
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