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5531431 = 23298293
BaseRepresentation
bin10101000110011100100111
3101102000200211
4111012130213
52404001211
6314320251
765005423
oct25063447
911360624
105531431
113138934
121a29087
1311b8949
14a3db83
15743e21
hex546727

5531431 has 8 divisors (see below), whose sum is σ = 5971680. Its totient is φ = 5107872.

The previous prime is 5531371. The next prime is 5531437. The reversal of 5531431 is 1341355.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5531431 - 215 = 5498663 is a prime.

It is a super-2 number, since 2×55314312 = 61193457815522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531437) 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, 3480 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (746460).

Almost surely, 25531431 is an apocalyptic number.

5531431 is a deficient number, since it is larger than the sum of its proper divisors (440249).

5531431 is a wasteful number, since it uses less digits than its factorization.

5531431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345.

The product of its digits is 900, while the sum is 22.

The square root of 5531431 is about 2351.8994451294. The cubic root of 5531431 is about 176.8530278991.

Adding to 5531431 its reverse (1341355), we get a palindrome (6872786).

The spelling of 5531431 in words is "five million, five hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 23 29 667 8293 190739 240497 5531431