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2826431 is a prime number
BaseRepresentation
bin1010110010000010111111
312022121010122
422302002333
51210421211
6140325155
733011216
oct12620277
95277118
102826431
1116605a3
12b437bb
1377c65a
1453807d
153ac6db
hex2b20bf

2826431 has 2 divisors, whose sum is σ = 2826432. Its totient is φ = 2826430.

The previous prime is 2826413. The next prime is 2826443. The reversal of 2826431 is 1346282.

Together with previous prime (2826413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2826431 - 26 = 2826367 is a prime.

It is a super-2 number, since 2×28264312 = 15977424395522, which contains 22 as substring.

It is a Sophie Germain prime.

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 2826431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2826491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413215 + 1413216.

It is an arithmetic number, because the mean of its divisors is an integer number (1413216).

22826431 is an apocalyptic number.

2826431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2826431 is an equidigital number, since it uses as much as digits as its factorization.

2826431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 2826431 is about 1681.1992743277. The cubic root of 2826431 is about 141.3880796621.

The spelling of 2826431 in words is "two million, eight hundred twenty-six thousand, four hundred thirty-one".