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26290 = 2511239
BaseRepresentation
bin110011010110010
31100001201
412122302
51320130
6321414
7136435
oct63262
940051
1026290
1118830
121326a
13bc74
14981c
157bca
hex66b2

26290 has 16 divisors (see below), whose sum is σ = 51840. Its totient is φ = 9520.

The previous prime is 26267. The next prime is 26293. The reversal of 26290 is 9262.

It is a cake number, because a cake can be divided into 26290 parts by 54 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (26293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10 + ... + 229.

It is an arithmetic number, because the mean of its divisors is an integer number (3240).

226290 is an apocalyptic number.

26290 is a deficient number, since it is larger than the sum of its proper divisors (25550).

26290 is a wasteful number, since it uses less digits than its factorization.

26290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 26290 is about 162.1419131502. The cubic root of 26290 is about 29.7346977775.

The spelling of 26290 in words is "twenty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 239 478 1195 2390 2629 5258 13145 26290