Base | Representation |
---|---|
bin | 10001000010011… |
… | …001011111110011 |
3 | 201220212020200100 |
4 | 101002121133303 |
5 | 1041133411040 |
6 | 44210323443 |
7 | 10040416560 |
oct | 2102313763 |
9 | 656766610 |
10 | 285841395 |
11 | 137393964 |
12 | 7b889583 |
13 | 472b1428 |
14 | 29d69867 |
15 | 1a163b30 |
hex | 110997f3 |
285841395 has 24 divisors (see below), whose sum is σ = 566238816. Its totient is φ = 130670208.
The previous prime is 285841393. The next prime is 285841403. The reversal of 285841395 is 593148582.
It is not a de Polignac number, because 285841395 - 21 = 285841393 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 285841395.
It is not an unprimeable number, because it can be changed into a prime (285841393) 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, 453402 + ... + 454031.
It is an arithmetic number, because the mean of its divisors is an integer number (23593284).
Almost surely, 2285841395 is an apocalyptic number.
285841395 is a deficient number, since it is larger than the sum of its proper divisors (280397421).
285841395 is a wasteful number, since it uses less digits than its factorization.
285841395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 907451 (or 907448 counting only the distinct ones).
The product of its digits is 345600, while the sum is 45.
The square root of 285841395 is about 16906.8446198574. The cubic root of 285841395 is about 658.7314130718.
It can be divided in two parts, 2858 and 41395, that added together give a triangular number (44253 = T297).
The spelling of 285841395 in words is "two hundred eighty-five million, eight hundred forty-one thousand, three hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •