Search a number
-
+
105112355 = 521022471
BaseRepresentation
bin1100100001111…
…10001100100011
321022210021001012
412100332030203
5203402043410
614232531135
72414304005
oct620761443
9238707035
10105112355
1154373517
122b250aab
1318a1377a
14dd62375
159364605
hex643e323

105112355 has 4 divisors (see below), whose sum is σ = 126134832. Its totient is φ = 84089880.

The previous prime is 105112349. The next prime is 105112361. The reversal of 105112355 is 553211501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (105112349) and next prime (105112361).

It is a de Polignac number, because none of the positive numbers 2k-105112355 is a prime.

It is a super-2 number, since 2×1051123552 = 22097214347292050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105112355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10511231 + ... + 10511240.

It is an arithmetic number, because the mean of its divisors is an integer number (31533708).

Almost surely, 2105112355 is an apocalyptic number.

105112355 is a deficient number, since it is larger than the sum of its proper divisors (21022477).

105112355 is an equidigital number, since it uses as much as digits as its factorization.

105112355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022476.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 105112355 is about 10252.4316627813. The cubic root of 105112355 is about 471.9376099547.

Adding to 105112355 its reverse (553211501), we get a palindrome (658323856).

The spelling of 105112355 in words is "one hundred five million, one hundred twelve thousand, three hundred fifty-five".

Divisors: 1 5 21022471 105112355