Base | Representation |
---|---|
bin | 1001011110110110111001 |
3 | 11200021201120 |
4 | 21132312321 |
5 | 1114020224 |
6 | 125135453 |
7 | 30061623 |
oct | 11366671 |
9 | 4607646 |
10 | 2485689 |
11 | 1448598 |
12 | 9ba589 |
13 | 69052b |
14 | 489c13 |
15 | 341779 |
hex | 25edb9 |
2485689 has 24 divisors (see below), whose sum is σ = 3654528. Its totient is φ = 1501440.
The previous prime is 2485687. The next prime is 2485727. The reversal of 2485689 is 9865842.
It is not a de Polignac number, because 2485689 - 21 = 2485687 is a prime.
Its product of digits (138240) is a multiple of the sum of its prime divisors (128).
It is a self number, because there is not a number n which added to its sum of digits gives 2485689.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2485687) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40719 + ... + 40779.
It is an arithmetic number, because the mean of its divisors is an integer number (152272).
22485689 is an apocalyptic number.
It is an amenable number.
2485689 is a deficient number, since it is larger than the sum of its proper divisors (1168839).
2485689 is a wasteful number, since it uses less digits than its factorization.
2485689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145 (or 128 counting only the distinct ones).
The product of its digits is 138240, while the sum is 42.
The square root of 2485689 is about 1576.6067994272. The cubic root of 2485689 is about 135.4614115594.
The spelling of 2485689 in words is "two million, four hundred eighty-five thousand, six hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.107 sec. • engine limits •