Base | Representation |
---|---|
bin | 11101101101000… |
… | …11110000101000 |
3 | 122100212211012002 |
4 | 32312203300220 |
5 | 1002242331042 |
6 | 40420510132 |
7 | 6114010562 |
oct | 1666436050 |
9 | 570784162 |
10 | 249183272 |
11 | 118726098 |
12 | 6b54b348 |
13 | 3c817a30 |
14 | 25146332 |
15 | 16d22132 |
hex | eda3c28 |
249183272 has 32 divisors (see below), whose sum is σ = 506860200. Its totient is φ = 114161664.
The previous prime is 249183257. The next prime is 249183289. The reversal of 249183272 is 272381942.
249183272 is digitally balanced in base 2, 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 4 ways, for example, as 91278916 + 157904356 = 9554^2 + 12566^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504 + ... + 22992.
Almost surely, 2249183272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 249183272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253430100).
249183272 is an abundant number, since it is smaller than the sum of its proper divisors (257676928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
249183272 is a wasteful number, since it uses less digits than its factorization.
249183272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17645 (or 17641 counting only the distinct ones).
The product of its digits is 48384, while the sum is 38.
The square root of 249183272 is about 15785.5399654241. The cubic root of 249183272 is about 629.2737680126.
It can be divided in two parts, 249183 and 272, that multiplied together give a palindrome (67777776).
The spelling of 249183272 in words is "two hundred forty-nine million, one hundred eighty-three thousand, two hundred seventy-two".
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