Search a number
-
+
268739075 = 5211977233
BaseRepresentation
bin10000000001001…
…010001000000011
3200201200100201002
4100001022020003
51022244122300
642400002215
76442146563
oct2001121003
9621610632
10268739075
11128772710
127600036b
13438a3c07
1427996da3
15188d65d5
hex1004a203

268739075 has 12 divisors (see below), whose sum is σ = 363531048. Its totient is φ = 195446400.

The previous prime is 268739071. The next prime is 268739087. The reversal of 268739075 is 570937862.

It is not a de Polignac number, because 268739075 - 22 = 268739071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268739071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488342 + ... + 488891.

It is an arithmetic number, because the mean of its divisors is an integer number (30294254).

Almost surely, 2268739075 is an apocalyptic number.

268739075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268739075 is a deficient number, since it is larger than the sum of its proper divisors (94791973).

268739075 is a wasteful number, since it uses less digits than its factorization.

268739075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977254 (or 977249 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 268739075 is about 16393.2630979924. The cubic root of 268739075 is about 645.3226957274.

The spelling of 268739075 in words is "two hundred sixty-eight million, seven hundred thirty-nine thousand, seventy-five".

Divisors: 1 5 11 25 55 275 977233 4886165 10749563 24430825 53747815 268739075