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249795 = 32571361
BaseRepresentation
bin111100111111000011
3110200122200
4330333003
530443140
65204243
72060160
oct747703
9420580
10249795
11160747
12100683
1389910
1467067
154e030
hex3cfc3

249795 has 48 divisors (see below), whose sum is σ = 541632. Its totient is φ = 103680.

The previous prime is 249779. The next prime is 249797. The reversal of 249795 is 597942.

249795 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 249795 - 24 = 249779 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (249797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4065 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (11284).

2249795 is an apocalyptic number.

249795 is an abundant number, since it is smaller than the sum of its proper divisors (291837).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249795 is a wasteful number, since it uses less digits than its factorization.

249795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 89 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 249795 is about 499.7949579578. The cubic root of 249795 is about 62.9788288651.

The spelling of 249795 in words is "two hundred forty-nine thousand, seven hundred ninety-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 61 63 65 91 105 117 183 195 273 305 315 427 455 549 585 793 819 915 1281 1365 2135 2379 2745 3843 3965 4095 5551 6405 7137 11895 16653 19215 27755 35685 49959 83265 249795