Base | Representation |
---|---|
bin | 111010000100… |
… | …0001110100001 |
3 | 2010021122010100 |
4 | 1310020032201 |
5 | 30243124101 |
6 | 3004253013 |
7 | 516520233 |
oct | 164101641 |
9 | 63248110 |
10 | 30442401 |
11 | 16202910 |
12 | a241169 |
13 | 63cb472 |
14 | 4086253 |
15 | 2a14e86 |
hex | 1d083a1 |
30442401 has 24 divisors (see below), whose sum is σ = 48166560. Its totient is φ = 18374400.
The previous prime is 30442331. The next prime is 30442411. The reversal of 30442401 is 10424403.
It is not a de Polignac number, because 30442401 - 27 = 30442273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30442411) 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, 32305 + ... + 33233.
It is an arithmetic number, because the mean of its divisors is an integer number (2006940).
Almost surely, 230442401 is an apocalyptic number.
It is an amenable number.
30442401 is a deficient number, since it is larger than the sum of its proper divisors (17724159).
30442401 is a wasteful number, since it uses less digits than its factorization.
30442401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1277 (or 1274 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 30442401 is about 5517.4632758180. The cubic root of 30442401 is about 312.2431844176.
Adding to 30442401 its reverse (10424403), we get a palindrome (40866804).
It can be divided in two parts, 3044 and 2401, that added together give a palindrome (5445).
The spelling of 30442401 in words is "thirty million, four hundred forty-two thousand, four hundred one".
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