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10687493 is a prime number
BaseRepresentation
bin101000110001…
…010000000101
3202002222111002
4220301100011
510213444433
61021023045
7156561605
oct50612005
922088432
1010687493
11603a743
1236b4a85
1322a277b
1415c2c05
15e119e8
hexa31405

10687493 has 2 divisors, whose sum is σ = 10687494. Its totient is φ = 10687492.

The previous prime is 10687489. The next prime is 10687549. The reversal of 10687493 is 39478601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9132484 + 1555009 = 3022^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 10687493 - 22 = 10687489 is a prime.

It is a super-2 number, since 2×106874932 = 228445013250098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10687423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343746 + 5343747.

It is an arithmetic number, because the mean of its divisors is an integer number (5343747).

Almost surely, 210687493 is an apocalyptic number.

It is an amenable number.

10687493 is a deficient number, since it is larger than the sum of its proper divisors (1).

10687493 is an equidigital number, since it uses as much as digits as its factorization.

10687493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 10687493 is about 3269.1731370486. The cubic root of 10687493 is about 220.2716547822.

The spelling of 10687493 in words is "ten million, six hundred eighty-seven thousand, four hundred ninety-three".