Search a number
-
+
105468439 is a prime number
BaseRepresentation
bin1100100100101…
…01001000010111
321100110100111111
412102111020113
5203444442224
614244315451
72420316106
oct622251027
9240410444
10105468439
1154596aaa
122b3a2b87
1318b0987b
141001603d
1593d4d94
hex6495217

105468439 has 2 divisors, whose sum is σ = 105468440. Its totient is φ = 105468438.

The previous prime is 105468427. The next prime is 105468529. The reversal of 105468439 is 934864501.

It is a weak prime.

It is an emirp because it is prime and its reverse (934864501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105468439 is a prime.

It is a super-2 number, since 2×1054684392 = 22247183250193442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105468739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52734219 + 52734220.

It is an arithmetic number, because the mean of its divisors is an integer number (52734220).

Almost surely, 2105468439 is an apocalyptic number.

105468439 is a deficient number, since it is larger than the sum of its proper divisors (1).

105468439 is an equidigital number, since it uses as much as digits as its factorization.

105468439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 105468439 is about 10269.7828117249. The cubic root of 105468439 is about 472.4699293126.

The spelling of 105468439 in words is "one hundred five million, four hundred sixty-eight thousand, four hundred thirty-nine".