Base | Representation |
---|---|
bin | 1010101011100111101011 |
3 | 12021021000200 |
4 | 22223213223 |
5 | 1204100412 |
6 | 140003243 |
7 | 32541402 |
oct | 12534753 |
9 | 5237020 |
10 | 2800107 |
11 | 1642842 |
12 | b30523 |
13 | 77068b |
14 | 52c639 |
15 | 3a49dc |
hex | 2ab9eb |
2800107 has 6 divisors (see below), whose sum is σ = 4044612. Its totient is φ = 1866732.
The previous prime is 2800103. The next prime is 2800139. The reversal of 2800107 is 7010082.
It is not a de Polignac number, because 2800107 - 22 = 2800103 is a prime.
It is a super-2 number, since 2×28001072 = 15681198422898, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2800107.
It is not an unprimeable number, because it can be changed into a prime (2800103) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155553 + ... + 155570.
It is an arithmetic number, because the mean of its divisors is an integer number (674102).
22800107 is an apocalyptic number.
2800107 is a deficient number, since it is larger than the sum of its proper divisors (1244505).
2800107 is a wasteful number, since it uses less digits than its factorization.
2800107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311129 (or 311126 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 2800107 is about 1673.3520251280. The cubic root of 2800107 is about 140.9477700017.
Adding to 2800107 its reverse (7010082), we get a palindrome (9810189).
The spelling of 2800107 in words is "two million, eight hundred thousand, one hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •