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10689677 = 12898293
BaseRepresentation
bin101000110001…
…110010001101
3202010002110222
4220301302031
510214032202
61021041125
7156601145
oct50616215
922102428
1010689677
116041349
1236b61a5
1322a376b
1415c3925
15e124a2
hexa31c8d

10689677 has 4 divisors (see below), whose sum is σ = 10699260. Its totient is φ = 10680096.

The previous prime is 10689629. The next prime is 10689713. The reversal of 10689677 is 77698601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77698601 = 709109589.

It can be written as a sum of positive squares in 2 ways, for example, as 5541316 + 5148361 = 2354^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 10689677 - 28 = 10689421 is a prime.

It is a super-2 number, since 2×106896772 = 228538388728658, 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 (10689607) 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, 2858 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (2674815).

Almost surely, 210689677 is an apocalyptic number.

It is an amenable number.

10689677 is a deficient number, since it is larger than the sum of its proper divisors (9583).

10689677 is an equidigital number, since it uses as much as digits as its factorization.

10689677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9582.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 10689677 is about 3269.5071494034. The cubic root of 10689677 is about 220.2866580054.

The spelling of 10689677 in words is "ten million, six hundred eighty-nine thousand, six hundred seventy-seven".

Divisors: 1 1289 8293 10689677