Base | Representation |
---|---|
bin | 111010011110… |
… | …1110001000101 |
3 | 2010200202221120 |
4 | 1310331301011 |
5 | 30322133301 |
6 | 3013104153 |
7 | 521422500 |
oct | 164756105 |
9 | 63622846 |
10 | 30661701 |
11 | 16342654 |
12 | a328059 |
13 | 6477225 |
14 | 4102137 |
15 | 2a59e36 |
hex | 1d3dc45 |
30661701 has 24 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 17402112.
The previous prime is 30661669. The next prime is 30661733. The reversal of 30661701 is 10716603.
It is an interprime number because it is at equal distance from previous prime (30661669) and next prime (30661733).
It is not a de Polignac number, because 30661701 - 25 = 30661669 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30661751) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23925 + ... + 25173.
It is an arithmetic number, because the mean of its divisors is an integer number (1995000).
Almost surely, 230661701 is an apocalyptic number.
It is an amenable number.
30661701 is a deficient number, since it is larger than the sum of its proper divisors (17218299).
30661701 is a wasteful number, since it uses less digits than its factorization.
30661701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1433 (or 1426 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 30661701 is about 5537.3008767810. The cubic root of 30661701 is about 312.9911670247.
The spelling of 30661701 in words is "thirty million, six hundred sixty-one thousand, seven hundred one".
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