Search a number
-
+
105305542 = 2130140471
BaseRepresentation
bin1100100011011…
…01010111000110
321100011002001021
412101231113012
5203424234132
614241021354
72416040146
oct621552706
9240132037
10105305542
1154495681
122b32485a
1318a80694
14ddb2926
1593a1997
hex646d5c6

105305542 has 8 divisors (see below), whose sum is σ = 158083632. Its totient is φ = 52611000.

The previous prime is 105305537. The next prime is 105305549. The reversal of 105305542 is 245503501.

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

It is a super-2 number, since 2×1053055422 = 22178514351827528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105305549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17634 + ... + 22837.

It is an arithmetic number, because the mean of its divisors is an integer number (19760454).

Almost surely, 2105305542 is an apocalyptic number.

105305542 is a deficient number, since it is larger than the sum of its proper divisors (52778090).

105305542 is a wasteful number, since it uses less digits than its factorization.

105305542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41774.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 105305542 is about 10261.8488587583. The cubic root of 105305542 is about 472.2265592179.

The spelling of 105305542 in words is "one hundred five million, three hundred five thousand, five hundred forty-two".

Divisors: 1 2 1301 2602 40471 80942 52652771 105305542