Search a number
-
+
26828023 = 174733577
BaseRepresentation
bin110011001010…
…1110011110111
31212111000010111
41212111303313
523331444043
62355003451
7444014545
oct146256367
955430114
1026828023
1114164322
128b99587
135734291
1437c4d95
15254e09d
hex1995cf7

26828023 has 8 divisors (see below), whose sum is σ = 29011392. Its totient is φ = 24711936.

The previous prime is 26827993. The next prime is 26828029. The reversal of 26828023 is 32082862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26828023 - 25 = 26827991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26828029) 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, 15990 + ... + 17587.

It is an arithmetic number, because the mean of its divisors is an integer number (3626424).

Almost surely, 226828023 is an apocalyptic number.

26828023 is a deficient number, since it is larger than the sum of its proper divisors (2183369).

26828023 is a wasteful number, since it uses less digits than its factorization.

26828023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33641.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 26828023 is about 5179.5774924216. The cubic root of 26828023 is about 299.3616909834.

The spelling of 26828023 in words is "twenty-six million, eight hundred twenty-eight thousand, twenty-three".

Divisors: 1 17 47 799 33577 570809 1578119 26828023