Search a number
-
+
105444373 is a prime number
BaseRepresentation
bin1100100100011…
…11010000010101
321100102010111011
412102033100111
5203443204443
614244012221
72420155666
oct622172025
9240363434
10105444373
115457aa11
122b391071
1318acb928
141000b36d
1593ccb9d
hex648f415

105444373 has 2 divisors, whose sum is σ = 105444374. Its totient is φ = 105444372.

The previous prime is 105444371. The next prime is 105444461. The reversal of 105444373 is 373444501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87946884 + 17497489 = 9378^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 105444373 - 21 = 105444371 is a prime.

It is a super-2 number, since 2×1054443732 = 22237031594726258, which contains 22 as substring.

Together with 105444371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105444371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52722186 + 52722187.

It is an arithmetic number, because the mean of its divisors is an integer number (52722187).

Almost surely, 2105444373 is an apocalyptic number.

It is an amenable number.

105444373 is a deficient number, since it is larger than the sum of its proper divisors (1).

105444373 is an equidigital number, since it uses as much as digits as its factorization.

105444373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 105444373 is about 10268.6110550551. The cubic root of 105444373 is about 472.4339902001.

Adding to 105444373 its reverse (373444501), we get a palindrome (478888874).

The spelling of 105444373 in words is "one hundred five million, four hundred forty-four thousand, three hundred seventy-three".