Base | Representation |
---|---|
bin | 11110001000111… |
… | …11111100111001 |
3 | 122121202111002212 |
4 | 33010133330321 |
5 | 1004211301224 |
6 | 41031104505 |
7 | 6160041056 |
oct | 1704377471 |
9 | 577674085 |
10 | 252837689 |
11 | 11a7a1775 |
12 | 70812135 |
13 | 404c7200 |
14 | 2581802d |
15 | 172e4d0e |
hex | f11ff39 |
252837689 has 24 divisors (see below), whose sum is σ = 295669440. Its totient is φ = 215447232.
The previous prime is 252837661. The next prime is 252837701. The reversal of 252837689 is 986738252.
It is not a de Polignac number, because 252837689 - 28 = 252837433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (252837649) 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, 111602 + ... + 113844.
It is an arithmetic number, because the mean of its divisors is an integer number (12319560).
Almost surely, 2252837689 is an apocalyptic number.
252837689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
252837689 is a deficient number, since it is larger than the sum of its proper divisors (42831751).
252837689 is a wasteful number, since it uses less digits than its factorization.
252837689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2321 (or 2308 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 50.
The square root of 252837689 is about 15900.8706994303. The cubic root of 252837689 is about 632.3350725808.
The spelling of 252837689 in words is "two hundred fifty-two million, eight hundred thirty-seven thousand, six hundred eighty-nine".
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