| Base | Representation |
|---|---|
| bin | 101000110011… |
| … | …110100000001 |
| 3 | 202010111212200 |
| 4 | 220303310001 |
| 5 | 10214313420 |
| 6 | 1021143413 |
| 7 | 156634314 |
| oct | 50636401 |
| 9 | 22114780 |
| 10 | 10697985 |
| 11 | 6047611 |
| 12 | 36bab69 |
| 13 | 22a748c |
| 14 | 15c697b |
| 15 | e14b90 |
| hex | a33d01 |
10697985 has 12 divisors (see below), whose sum is σ = 18543252. Its totient is φ = 5705568.
The previous prime is 10697977. The next prime is 10697987. The reversal of 10697985 is 58979601.
10697985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 8785296 = 1383^2 + 2964^2 .
It is not a de Polignac number, because 10697985 - 23 = 10697977 is a prime.
It is a super-2 number, since 2×106979852 = 228893766120450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 237733 = 10697985 / (1 + 0 + 6 + 9 + 7 + 9 + 8 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 10697985.
It is not an unprimeable number, because it can be changed into a prime (10697987) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118822 + ... + 118911.
It is an arithmetic number, because the mean of its divisors is an integer number (1545271).
Almost surely, 210697985 is an apocalyptic number.
10697985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10697985 is a deficient number, since it is larger than the sum of its proper divisors (7845267).
10697985 is a wasteful number, since it uses less digits than its factorization.
10697985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237744 (or 237741 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 45.
The square root of 10697985 is about 3270.7774305202. Note that the first 3 decimals coincide. The cubic root of 10697985 is about 220.3437120409.
The spelling of 10697985 in words is "ten million, six hundred ninety-seven thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •