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5545431 = 324331423
BaseRepresentation
bin10101001001110111010111
3101102201220100
4111021313113
52404423211
6314505143
765064303
oct25116727
911381810
105545431
113148401
121a351b3
1311c2128
14a44d03
15748156
hex549dd7

5545431 has 12 divisors (see below), whose sum is σ = 8034208. Its totient is φ = 3685824.

The previous prime is 5545411. The next prime is 5545433. The reversal of 5545431 is 1345455.

It is not a de Polignac number, because 5545431 - 25 = 5545399 is a prime.

It is a super-2 number, since 2×55454312 = 61503609951522, which contains 22 as substring.

It is a Duffinian number.

5545431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5545395 and 5545404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3186 + ... + 4608.

Almost surely, 25545431 is an apocalyptic number.

5545431 is a deficient number, since it is larger than the sum of its proper divisors (2488777).

5545431 is a wasteful number, since it uses less digits than its factorization.

5545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1859 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 5545431 is about 2354.8738819733. The cubic root of 5545431 is about 177.0021066493.

The spelling of 5545431 in words is "five million, five hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 3 9 433 1299 1423 3897 4269 12807 616159 1848477 5545431