Base | Representation |
---|---|
bin | 111001111111… |
… | …0011101100001 |
3 | 2010012121020212 |
4 | 1303332131201 |
5 | 30240334101 |
6 | 3003343505 |
7 | 516262511 |
oct | 163763541 |
9 | 63177225 |
10 | 30402401 |
11 | 16185857 |
12 | a221b95 |
13 | 63b61b3 |
14 | 4075841 |
15 | 2a081bb |
hex | 1cfe761 |
30402401 has 2 divisors, whose sum is σ = 30402402. Its totient is φ = 30402400.
The previous prime is 30402397. The next prime is 30402457. The reversal of 30402401 is 10420403.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18835600 + 11566801 = 4340^2 + 3401^2 .
It is a cyclic number.
It is not a de Polignac number, because 30402401 - 22 = 30402397 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30402101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201200 + 15201201.
It is an arithmetic number, because the mean of its divisors is an integer number (15201201).
Almost surely, 230402401 is an apocalyptic number.
It is an amenable number.
30402401 is a deficient number, since it is larger than the sum of its proper divisors (1).
30402401 is an equidigital number, since it uses as much as digits as its factorization.
30402401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 30402401 is about 5513.8372300967. The cubic root of 30402401 is about 312.1063664566.
Adding to 30402401 its reverse (10420403), we get a palindrome (40822804).
It can be divided in two parts, 30402 and 401, that added together give a palindrome (30803).
The spelling of 30402401 in words is "thirty million, four hundred two thousand, four hundred one".
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