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269288 = 2341821
BaseRepresentation
bin1000001101111101000
3111200101122
41001233220
532104123
65434412
72201045
oct1015750
9450348
10269288
11174358
1210ba08
1395756
14701cc
1554bc8
hex41be8

269288 has 16 divisors (see below), whose sum is σ = 517860. Its totient is φ = 131200.

The previous prime is 269281. The next prime is 269317. The reversal of 269288 is 882962.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 40804 = 478^2 + 202^2 .

It is an Ulam number.

Its product of digits (13824) is a multiple of the sum of its prime divisors (864).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 269288.

It is not an unprimeable number, because it can be changed into a prime (269281) by changing a digit.

269288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 738.

2269288 is an apocalyptic number.

It is an amenable number.

269288 is a deficient number, since it is larger than the sum of its proper divisors (248572).

269288 is a wasteful number, since it uses less digits than its factorization.

269288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 864 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 269288 is about 518.9296676815. The cubic root of 269288 is about 64.5761774474.

The spelling of 269288 in words is "two hundred sixty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 41 82 164 328 821 1642 3284 6568 33661 67322 134644 269288