Base | Representation |
---|---|
bin | 111001100010… |
… | …1010101010001 |
3 | 2002202201021012 |
4 | 1303011111101 |
5 | 30210342101 |
6 | 2554340305 |
7 | 514266344 |
oct | 163052521 |
9 | 62681235 |
10 | 30168401 |
11 | 16035a6a |
12 | a12a695 |
13 | 6333833 |
14 | 401445b |
15 | 29adbbb |
hex | 1cc5551 |
30168401 has 4 divisors (see below), whose sum is σ = 30435492. Its totient is φ = 29901312.
The previous prime is 30168379. The next prime is 30168449. The reversal of 30168401 is 10486103.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5764801 + 24403600 = 2401^2 + 4940^2 .
It is a cyclic number.
It is not a de Polignac number, because 30168401 - 26 = 30168337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30168451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133376 + ... + 133601.
It is an arithmetic number, because the mean of its divisors is an integer number (7608873).
Almost surely, 230168401 is an apocalyptic number.
It is an amenable number.
30168401 is a deficient number, since it is larger than the sum of its proper divisors (267091).
30168401 is a wasteful number, since it uses less digits than its factorization.
30168401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267090.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 30168401 is about 5492.5768997803. The cubic root of 30168401 is about 311.3035672818.
The spelling of 30168401 in words is "thirty million, one hundred sixty-eight thousand, four hundred one".
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