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268975 = 5272953
BaseRepresentation
bin1000001101010101111
3111122222001
41001222233
532101400
65433131
72200120
oct1015257
9448861
10268975
111740a3
1210b7a7
1395575
1470047
1554a6a
hex41aaf

268975 has 24 divisors (see below), whose sum is σ = 401760. Its totient is φ = 174720.

The previous prime is 268973. The next prime is 268979. The reversal of 268975 is 579862.

It is not a de Polignac number, because 268975 - 21 = 268973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268973) 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, 5049 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

268975 is a Friedman number, since it can be written as 9*7+(8+6)^5/2, using all its digits and the basic arithmetic operations.

2268975 is an apocalyptic number.

268975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268975 is a deficient number, since it is larger than the sum of its proper divisors (132785).

268975 is a wasteful number, since it uses less digits than its factorization.

268975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 94 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 268975 is about 518.6279977016. The cubic root of 268975 is about 64.5511482597.

The spelling of 268975 in words is "two hundred sixty-eight thousand, nine hundred seventy-five".

Divisors: 1 5 7 25 29 35 53 145 175 203 265 371 725 1015 1325 1537 1855 5075 7685 9275 10759 38425 53795 268975