Search a number
-
+
26826220 = 2254632897
BaseRepresentation
bin110011001010…
…1010111101100
31212110220122201
41212111113230
523331414340
62354551244
7444006361
oct146252754
955426581
1026826220
1114162a33
128b98524
135733505
1437c4468
15254d79a
hex19955ec

26826220 has 24 divisors (see below), whose sum is σ = 56476224. Its totient is φ = 10703616.

The previous prime is 26826209. The next prime is 26826229. The reversal of 26826220 is 2262862.

It is not an unprimeable number, because it can be changed into a prime (26826229) 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, 7812 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (2353176).

Almost surely, 226826220 is an apocalyptic number.

26826220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26826220 is an abundant number, since it is smaller than the sum of its proper divisors (29650004).

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

26826220 is a wasteful number, since it uses less digits than its factorization.

26826220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26826220 is about 5179.4034405518. The cubic root of 26826220 is about 299.3549845478.

The spelling of 26826220 in words is "twenty-six million, eight hundred twenty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 463 926 1852 2315 2897 4630 5794 9260 11588 14485 28970 57940 1341311 2682622 5365244 6706555 13413110 26826220