Search a number
-
+
26836869 = 31392463
BaseRepresentation
bin110011001011…
…1111110000101
31212111110021010
41212113332011
523332234434
62355112433
7444052413
oct146277605
955443233
1026836869
111416aa34
128ba2719
135738307
1437c82b3
1525519e9
hex1997f85

26836869 has 12 divisors (see below), whose sum is σ = 36119616. Its totient is φ = 17724168.

The previous prime is 26836819. The next prime is 26836961. The reversal of 26836869 is 96863862.

It is not a de Polignac number, because 26836869 - 27 = 26836741 is a prime.

It is a super-2 number, since 2×268368692 = 1440435075446322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26836819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57732 + ... + 58194.

It is an arithmetic number, because the mean of its divisors is an integer number (3009968).

Almost surely, 226836869 is an apocalyptic number.

It is an amenable number.

26836869 is a deficient number, since it is larger than the sum of its proper divisors (9282747).

26836869 is an equidigital number, since it uses as much as digits as its factorization.

26836869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 605 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 26836869 is about 5180.4313526964. The cubic root of 26836869 is about 299.3945901962.

The spelling of 26836869 in words is "twenty-six million, eight hundred thirty-six thousand, eight hundred sixty-nine".

Divisors: 1 3 139 417 463 1389 19321 57963 64357 193071 8945623 26836869