Search a number
-
+
26828319 = 372335483
BaseRepresentation
bin110011001010…
…1111000011111
31212111000112110
41212111320133
523332001234
62355005103
7444015450
oct146257037
955430473
1026828319
1114164571
128b99793
13573445b
1437c5127
15254e1e9
hex1995e1f

26828319 has 16 divisors (see below), whose sum is σ = 41064192. Its totient is φ = 15261888.

The previous prime is 26828297. The next prime is 26828359. The reversal of 26828319 is 91382862.

It is a happy number.

It is not a de Polignac number, because 26828319 - 25 = 26828287 is a prime.

It is a super-2 number, since 2×268283192 = 1439517400731522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26828359) 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, 2152 + ... + 7634.

It is an arithmetic number, because the mean of its divisors is an integer number (2566512).

Almost surely, 226828319 is an apocalyptic number.

26828319 is a deficient number, since it is larger than the sum of its proper divisors (14235873).

26828319 is a wasteful number, since it uses less digits than its factorization.

26828319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726.

The product of its digits is 41472, while the sum is 39.

The square root of 26828319 is about 5179.6060661019. The cubic root of 26828319 is about 299.3627919557.

The spelling of 26828319 in words is "twenty-six million, eight hundred twenty-eight thousand, three hundred nineteen".

Divisors: 1 3 7 21 233 699 1631 4893 5483 16449 38381 115143 1277539 3832617 8942773 26828319