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268775 = 5213827
BaseRepresentation
bin1000001100111100111
3111122200122
41001213213
532100100
65432155
72166413
oct1014747
9448618
10268775
11173a31
1210b65b
1395450
146dd43
1554985
hex419e7

268775 has 12 divisors (see below), whose sum is σ = 359352. Its totient is φ = 198240.

The previous prime is 268771. The next prime is 268777. The reversal of 268775 is 577862.

It is not a de Polignac number, because 268775 - 22 = 268771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (29946).

2268775 is an apocalyptic number.

268775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268775 is a deficient number, since it is larger than the sum of its proper divisors (90577).

268775 is a wasteful number, since it uses less digits than its factorization.

268775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 845 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 268775 is about 518.4351454136. The cubic root of 268775 is about 64.5351449994.

It can be divided in two parts, 26 and 8775, that multiplied together give a triangular number (228150 = T675).

The spelling of 268775 in words is "two hundred sixty-eight thousand, seven hundred seventy-five".

Divisors: 1 5 13 25 65 325 827 4135 10751 20675 53755 268775