Search a number
-
+
26932081 = 1147113461
BaseRepresentation
bin110011010111…
…1001101110001
31212200021212111
41212233031301
523343311311
62401125321
7444630121
oct146571561
955607774
1026932081
1114225520
129029841
13576c757
143810c81
15256ed21
hex19af371

26932081 has 16 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 23699200.

The previous prime is 26932079. The next prime is 26932091. The reversal of 26932081 is 18023962.

It is a 2-Lehmer number, since φ(26932081) divides (26932081-1)2.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 26932081 - 21 = 26932079 is a prime.

It is a super-2 number, since 2×269320812 = 1450673973981122, which contains 22 as substring.

It is a deceptive number, since it divides R26932080.

It is not an unprimeable number, because it can be changed into a prime (26932051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58191 + ... + 58651.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

It is a Poulet number, since it divides 226932080-1.

Almost surely, 226932081 is an apocalyptic number.

It is an amenable number.

26932081 is a deficient number, since it is larger than the sum of its proper divisors (3404687).

26932081 is a wasteful number, since it uses less digits than its factorization.

26932081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26932081 is about 5189.6127986585. The cubic root of 26932081 is about 299.7482369251.

It can be divided in two parts, 2693 and 2081, that added together give a palindrome (4774).

The spelling of 26932081 in words is "twenty-six million, nine hundred thirty-two thousand, eighty-one".

Divisors: 1 11 47 113 461 517 1243 5071 5311 21667 52093 58421 238337 573023 2448371 26932081