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26836 = 226709
BaseRepresentation
bin110100011010100
31100210221
412203110
51324321
6324124
7141145
oct64324
940727
1026836
1119187
1213644
13c2a4
149acc
157e41
hex68d4

26836 has 6 divisors (see below), whose sum is σ = 46970. Its totient is φ = 13416.

The previous prime is 26833. The next prime is 26839. The reversal of 26836 is 63862.

It can be divided in two parts, 26 and 836, that multiplied together give a triangular number (21736 = T208).

It is an interprime number because it is at equal distance from previous prime (26833) and next prime (26839).

It can be written as a sum of positive squares in only one way, i.e., 24336 + 2500 = 156^2 + 50^2 .

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 26836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3351 + ... + 3358.

226836 is an apocalyptic number.

It is an amenable number.

26836 is a deficient number, since it is larger than the sum of its proper divisors (20134).

26836 is a wasteful number, since it uses less digits than its factorization.

26836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713 (or 6711 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 26836 is about 163.8169710378. The cubic root of 26836 is about 29.9391358613.

The spelling of 26836 in words is "twenty-six thousand, eight hundred thirty-six".

Divisors: 1 2 4 6709 13418 26836