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26429 = 1319107
BaseRepresentation
bin110011100111101
31100020212
412130331
51321204
6322205
7140024
oct63475
940225
1026429
1118947
1213365
13c050
1498bb
157c6e
hex673d

26429 has 8 divisors (see below), whose sum is σ = 30240. Its totient is φ = 22896.

The previous prime is 26423. The next prime is 26431. The reversal of 26429 is 92462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26423) 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, 194 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (3780).

226429 is an apocalyptic number.

It is an amenable number.

26429 is a deficient number, since it is larger than the sum of its proper divisors (3811).

26429 is a wasteful number, since it uses less digits than its factorization.

26429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its digits is 864, while the sum is 23.

The square root of 26429 is about 162.5699849296. The cubic root of 26429 is about 29.7870099382.

The spelling of 26429 in words is "twenty-six thousand, four hundred twenty-nine".

Divisors: 1 13 19 107 247 1391 2033 26429