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10693685 = 52138737
BaseRepresentation
bin101000110010…
…110000110101
3202010021222102
4220302300311
510214144220
61021111445
7156615632
oct50626065
922107872
1010693685
116044362
1236b8585
1322a5532
1415c5189
15e13775
hexa32c35

10693685 has 4 divisors (see below), whose sum is σ = 12832428. Its totient is φ = 8554944.

The previous prime is 10693681. The next prime is 10693693. The reversal of 10693685 is 58639601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58639601 = 203928759.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 8868484 = 1351^2 + 2978^2 .

It is a cyclic number.

It is not a de Polignac number, because 10693685 - 22 = 10693681 is a prime.

It is a super-2 number, since 2×106936852 = 228709797758450, 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 (10693681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069364 + ... + 1069373.

It is an arithmetic number, because the mean of its divisors is an integer number (3208107).

Almost surely, 210693685 is an apocalyptic number.

It is an amenable number.

10693685 is a deficient number, since it is larger than the sum of its proper divisors (2138743).

10693685 is an equidigital number, since it uses as much as digits as its factorization.

10693685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138742.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 10693685 is about 3270.1200283782. The cubic root of 10693685 is about 220.3141860777.

The spelling of 10693685 in words is "ten million, six hundred ninety-three thousand, six hundred eighty-five".

Divisors: 1 5 2138737 10693685