Search a number
-
+
26869849 is a prime number
BaseRepresentation
bin110011010000…
…0000001011001
31212120010111121
41212200001121
523334313344
62355525241
7444250516
oct146400131
955503447
1026869849
1114192796
128bb9821
13574a326
1437d630d
15255b684
hex19a0059

26869849 has 2 divisors, whose sum is σ = 26869850. Its totient is φ = 26869848.

The previous prime is 26869837. The next prime is 26869861. The reversal of 26869849 is 94896862.

It is a balanced prime because it is at equal distance from previous prime (26869837) and next prime (26869861).

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 3829849 = 4800^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 26869849 - 211 = 26867801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26869796 and 26869805.

It is not a weakly prime, because it can be changed into another prime (26869889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434924 + 13434925.

It is an arithmetic number, because the mean of its divisors is an integer number (13434925).

Almost surely, 226869849 is an apocalyptic number.

It is an amenable number.

26869849 is a deficient number, since it is larger than the sum of its proper divisors (1).

26869849 is an equidigital number, since it uses as much as digits as its factorization.

26869849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 26869849 is about 5183.6135079691. The cubic root of 26869849 is about 299.5171826341.

The spelling of 26869849 in words is "twenty-six million, eight hundred sixty-nine thousand, eight hundred forty-nine".