Search a number
-
+
113141305 = 523397117
BaseRepresentation
bin1101011111001…
…10011000111001
321212220011200201
412233212120321
5212431010210
615121002201
72542454014
oct657463071
9255804621
10113141305
1158957812
1231a83361
131a595124
141105237b
159ded53a
hex6be6639

113141305 has 8 divisors (see below), whose sum is σ = 136353672. Its totient is φ = 90123648.

The previous prime is 113141297. The next prime is 113141309. The reversal of 113141305 is 503141311.

It can be written as a sum of positive squares in 4 ways, for example, as 14417209 + 98724096 = 3797^2 + 9936^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 113141305 - 23 = 113141297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113141309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47394 + ... + 49723.

It is an arithmetic number, because the mean of its divisors is an integer number (17044209).

Almost surely, 2113141305 is an apocalyptic number.

It is an amenable number.

113141305 is a deficient number, since it is larger than the sum of its proper divisors (23212367).

113141305 is an equidigital number, since it uses as much as digits as its factorization.

113141305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97355.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 113141305 is about 10636.7901643306. The cubic root of 113141305 is about 483.6602483795.

Adding to 113141305 its reverse (503141311), we get a palindrome (616282616).

It can be divided in two parts, 1131 and 41305, that added together give a square (42436 = 2062).

The spelling of 113141305 in words is "one hundred thirteen million, one hundred forty-one thousand, three hundred five".

Divisors: 1 5 233 1165 97117 485585 22628261 113141305