Search a number
-
+
105442135 = 522879221
BaseRepresentation
bin1100100100011…
…10101101010111
321100102000102021
412102032231113
5203443122020
614243554011
72420146321
oct622165527
9240360367
10105442135
1154579267
122b38b907
1318aca8c6
141000a611
1593cc1aa
hex648eb57

105442135 has 8 divisors (see below), whose sum is σ = 126599616. Its totient is φ = 84307680.

The previous prime is 105442111. The next prime is 105442151. The reversal of 105442135 is 531244501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105442135 - 213 = 105433943 is a prime.

It is a super-2 number, since 2×1054421352 = 22236087666716450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6825 + ... + 16045.

It is an arithmetic number, because the mean of its divisors is an integer number (15824952).

Almost surely, 2105442135 is an apocalyptic number.

105442135 is a deficient number, since it is larger than the sum of its proper divisors (21157481).

105442135 is an equidigital number, since it uses as much as digits as its factorization.

105442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105442135 is about 10268.5020816086. The cubic root of 105442135 is about 472.4306477908.

Adding to 105442135 its reverse (531244501), we get a palindrome (636686636).

The spelling of 105442135 in words is "one hundred five million, four hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 5 2287 9221 11435 46105 21088427 105442135