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10507391 is a prime number
BaseRepresentation
bin101000000101…
…010001111111
3201202211102122
4220011101333
510142214031
61013113155
7155211536
oct50052177
921684378
1010507391
115a273a4
1236287bb
13223b7bb
14157731d
15dc847b
hexa0547f

10507391 has 2 divisors, whose sum is σ = 10507392. Its totient is φ = 10507390.

The previous prime is 10507381. The next prime is 10507397. The reversal of 10507391 is 19370501.

10507391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10507391 - 26 = 10507327 is a prime.

It is a super-2 number, since 2×105073912 = 220810531253762, 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 10507391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10507397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253695 + 5253696.

It is an arithmetic number, because the mean of its divisors is an integer number (5253696).

Almost surely, 210507391 is an apocalyptic number.

10507391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10507391 is an equidigital number, since it uses as much as digits as its factorization.

10507391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 10507391 is about 3241.5106046410. The cubic root of 10507391 is about 219.0273243500.

Adding to 10507391 its reverse (19370501), we get a palindrome (29877892).

The spelling of 10507391 in words is "ten million, five hundred seven thousand, three hundred ninety-one".