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26868426 = 2313615647
BaseRepresentation
bin110011001111…
…1101011001010
31212120001112220
41212133223022
523334242201
62355514510
7444243414
oct146375312
955501486
1026868426
1114191712
128bb8a36
1357497a0
1437d59b4
15255b036
hex199faca

26868426 has 32 divisors (see below), whose sum is σ = 58829568. Its totient is φ = 8130240.

The previous prime is 26868419. The next prime is 26868433. The reversal of 26868426 is 62486862.

It is an interprime number because it is at equal distance from previous prime (26868419) and next prime (26868433).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (1838424).

Almost surely, 226868426 is an apocalyptic number.

26868426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 26868426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29414784).

26868426 is an abundant number, since it is smaller than the sum of its proper divisors (31961142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26868426 is a wasteful number, since it uses less digits than its factorization.

26868426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726.

The product of its digits is 221184, while the sum is 42.

The square root of 26868426 is about 5183.4762466901. The cubic root of 26868426 is about 299.5118951652.

The spelling of 26868426 in words is "twenty-six million, eight hundred sixty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 61 78 122 183 366 793 1586 2379 4758 5647 11294 16941 33882 73411 146822 220233 344467 440466 688934 1033401 2066802 4478071 8956142 13434213 26868426