Search a number
-
+
26880966 = 2327317673
BaseRepresentation
bin110011010001…
…0101111000110
31212120200202100
41212202233012
523340142331
62400052530
7444325110
oct146425706
955520670
1026880966
11141a0082
129004146
1357523c8
1437da3b0
15255eae6
hex19a2bc6

26880966 has 48 divisors (see below), whose sum is σ = 66871584. Its totient is φ = 7644672.

The previous prime is 26880949. The next prime is 26880979. The reversal of 26880966 is 66908862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39606 + ... + 40278.

It is an arithmetic number, because the mean of its divisors is an integer number (1393158).

Almost surely, 226880966 is an apocalyptic number.

26880966 is an abundant number, since it is smaller than the sum of its proper divisors (39990618).

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

26880966 is a wasteful number, since it uses less digits than its factorization.

26880966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 26880966 is about 5184.6857185369. The cubic root of 26880966 is about 299.5584838638.

The spelling of 26880966 in words is "twenty-six million, eight hundred eighty thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 317 634 673 951 1346 1902 2019 2219 2853 4038 4438 4711 5706 6057 6657 9422 12114 13314 14133 19971 28266 39942 42399 84798 213341 426682 640023 1280046 1493387 1920069 2986774 3840138 4480161 8960322 13440483 26880966