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6430401 = 33238163
BaseRepresentation
bin11000100001111011000001
3110002200212000
4120201323001
53121233101
6345454213
7105441345
oct30417301
913080760
106430401
1136a228a
1221a1369
131441b93
14bd5625
15870486
hex621ec1

6430401 has 8 divisors (see below), whose sum is σ = 9526560. Its totient is φ = 4286916.

The previous prime is 6430381. The next prime is 6430427. The reversal of 6430401 is 1040346.

It is not a de Polignac number, because 6430401 - 211 = 6428353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6430441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119055 + ... + 119108.

It is an arithmetic number, because the mean of its divisors is an integer number (1190820).

Almost surely, 26430401 is an apocalyptic number.

It is an amenable number.

6430401 is a deficient number, since it is larger than the sum of its proper divisors (3096159).

6430401 is a wasteful number, since it uses less digits than its factorization.

6430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238172 (or 238166 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6430401 is about 2535.8235348699. The cubic root of 6430401 is about 185.9570660530.

Adding to 6430401 its reverse (1040346), we get a palindrome (7470747).

The spelling of 6430401 in words is "six million, four hundred thirty thousand, four hundred one".

Divisors: 1 3 9 27 238163 714489 2143467 6430401