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3087431 is a prime number
BaseRepresentation
bin1011110001110001000111
312210212011022
423301301013
51242244211
6150101355
735146154
oct13616107
95725138
103087431
1118196a6
12104a85b
138413a9
145a522b
1540ebdb
hex2f1c47

3087431 has 2 divisors, whose sum is σ = 3087432. Its totient is φ = 3087430.

The previous prime is 3087419. The next prime is 3087437. The reversal of 3087431 is 1347803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3087431 - 210 = 3086407 is a prime.

It is a super-2 number, since 2×30874312 = 19064460359522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3087431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3087437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1543715 + 1543716.

It is an arithmetic number, because the mean of its divisors is an integer number (1543716).

Almost surely, 23087431 is an apocalyptic number.

3087431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3087431 is an equidigital number, since it uses as much as digits as its factorization.

3087431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3087431 is about 1757.1087046623. The cubic root of 3087431 is about 145.6126436863.

The spelling of 3087431 in words is "three million, eighty-seven thousand, four hundred thirty-one".