Search a number
-
+
26888020 = 2251344401
BaseRepresentation
bin110011010010…
…0011101010100
31212121001102121
41212210131110
523340404040
62400145324
7444354505
oct146443524
955531377
1026888020
11141a5405
129008244
135755693
1437dcbac
152561c4a
hex19a4754

26888020 has 12 divisors (see below), whose sum is σ = 56464884. Its totient is φ = 10755200.

The previous prime is 26888009. The next prime is 26888041. The reversal of 26888020 is 2088862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 8191044 = 4324^2 + 2862^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672181 + ... + 672220.

It is an arithmetic number, because the mean of its divisors is an integer number (4705407).

Almost surely, 226888020 is an apocalyptic number.

26888020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26888020 is an abundant number, since it is smaller than the sum of its proper divisors (29576864).

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

26888020 is a wasteful number, since it uses less digits than its factorization.

26888020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344410 (or 1344408 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 26888020 is about 5185.3659465847. The cubic root of 26888020 is about 299.5846845682.

It can be divided in two parts, 268 and 88020, that added together give a palindrome (88288).

The spelling of 26888020 in words is "twenty-six million, eight hundred eighty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 1344401 2688802 5377604 6722005 13444010 26888020