Search a number
-
+
10981849 is a prime number
BaseRepresentation
bin101001111001…
…000111011001
3202122221021011
4221321013121
510302404344
61031213521
7162226024
oct51710731
922587234
1010981849
11622090a
1238172a1
132376748
14165c1bb
15e6dd34
hexa791d9

10981849 has 2 divisors, whose sum is σ = 10981850. Its totient is φ = 10981848.

The previous prime is 10981801. The next prime is 10981877. The reversal of 10981849 is 94818901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 3583449 = 2720^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 10981849 - 213 = 10973657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10981889) by changing a digit.

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 as a sum of consecutive naturals, namely, 5490924 + 5490925.

It is an arithmetic number, because the mean of its divisors is an integer number (5490925).

Almost surely, 210981849 is an apocalyptic number.

It is an amenable number.

10981849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10981849 is an equidigital number, since it uses as much as digits as its factorization.

10981849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 10981849 is about 3313.8872944021. The cubic root of 10981849 is about 222.2756160681.

The spelling of 10981849 in words is "ten million, nine hundred eighty-one thousand, eight hundred forty-nine".