Search a number
-
+
268633 = 353761
BaseRepresentation
bin1000001100101011001
3111122111101
41001211121
532044013
65431401
72166121
oct1014531
9448441
10268633
11173912
1210b561
1395371
146dc81
15548dd
hex41959

268633 has 4 divisors (see below), whose sum is σ = 269748. Its totient is φ = 267520.

The previous prime is 268613. The next prime is 268637. The reversal of 268633 is 336862.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35344 + 233289 = 188^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 268633 - 213 = 260441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (67437).

2268633 is an apocalyptic number.

It is an amenable number.

268633 is a deficient number, since it is larger than the sum of its proper divisors (1115).

268633 is an equidigital number, since it uses as much as digits as its factorization.

268633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114.

The product of its digits is 5184, while the sum is 28.

The square root of 268633 is about 518.2981767284. The cubic root of 268633 is about 64.5237778646.

It can be divided in two parts, 2 and 68633, that added together give a triangular number (68635 = T370).

The spelling of 268633 in words is "two hundred sixty-eight thousand, six hundred thirty-three".

Divisors: 1 353 761 268633