Search a number
-
+
106905479 is a prime number
BaseRepresentation
bin1100101111100…
…11111110000111
321110011100202012
412113303332013
5204331433404
614335204435
72435452532
oct627637607
9243140665
10106905479
115538873a
122b97671b
13191c09a5
14102aba19
1595baa6e
hex65f3f87

106905479 has 2 divisors, whose sum is σ = 106905480. Its totient is φ = 106905478.

The previous prime is 106905473. The next prime is 106905497. The reversal of 106905479 is 974509601.

Together with next prime (106905497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106905479 - 212 = 106901383 is a prime.

It is a super-2 number, since 2×1069054792 = 22857562880438882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106905473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53452739 + 53452740.

It is an arithmetic number, because the mean of its divisors is an integer number (53452740).

Almost surely, 2106905479 is an apocalyptic number.

106905479 is a deficient number, since it is larger than the sum of its proper divisors (1).

106905479 is an equidigital number, since it uses as much as digits as its factorization.

106905479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 106905479 is about 10339.5105783591. The cubic root of 106905479 is about 474.6061059557.

The spelling of 106905479 in words is "one hundred six million, nine hundred five thousand, four hundred seventy-nine".