Search a number
-
+
10707689 = 37289397
BaseRepresentation
bin101000110110…
…001011101001
3202011000012002
4220312023221
510220121224
61021300345
7160004516
oct50661351
922130162
1010707689
116053933
1237046b5
1322aba15
1415ca30d
15e179ae
hexa362e9

10707689 has 4 divisors (see below), whose sum is σ = 10997124. Its totient is φ = 10418256.

The previous prime is 10707667. The next prime is 10707691. The reversal of 10707689 is 98670701.

It is a happy number.

10707689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98670701 = 946310427.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 1755625 = 2992^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10707689 is a prime.

It is a super-2 number, since 2×107076892 = 229309207441442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10707589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144662 + ... + 144735.

It is an arithmetic number, because the mean of its divisors is an integer number (2749281).

Almost surely, 210707689 is an apocalyptic number.

It is an amenable number.

10707689 is a deficient number, since it is larger than the sum of its proper divisors (289435).

10707689 is an equidigital number, since it uses as much as digits as its factorization.

10707689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289434.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 10707689 is about 3272.2605336373. The cubic root of 10707689 is about 220.4103155241.

The spelling of 10707689 in words is "ten million, seven hundred seven thousand, six hundred eighty-nine".

Divisors: 1 37 289397 10707689