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5031431 = 7963689
BaseRepresentation
bin10011001100011000000111
3100110121211022
4103030120013
52242001211
6255501355
760523616
oct23143007
910417738
105031431
112927209
12182785b
1310721a2
1494d87d
15695bdb
hex4cc607

5031431 has 4 divisors (see below), whose sum is σ = 5095200. Its totient is φ = 4967664.

The previous prime is 5031427. The next prime is 5031443. The reversal of 5031431 is 1341305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5031431 - 22 = 5031427 is a prime.

It is a super-2 number, since 2×50314312 = 50630595815522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31766 + ... + 31923.

It is an arithmetic number, because the mean of its divisors is an integer number (1273800).

Almost surely, 25031431 is an apocalyptic number.

5031431 is a deficient number, since it is larger than the sum of its proper divisors (63769).

5031431 is an equidigital number, since it uses as much as digits as its factorization.

5031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63768.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 5031431 is about 2243.0851521955. The cubic root of 5031431 is about 171.3551548393.

Adding to 5031431 its reverse (1341305), we get a palindrome (6372736).

The spelling of 5031431 in words is "five million, thirty-one thousand, four hundred thirty-one".

Divisors: 1 79 63689 5031431