Search a number
-
+
113044431 = 3181120807
BaseRepresentation
bin1101011110011…
…10101111001111
321212201020210210
412233032233033
5212414410211
615114533503
72541601413
oct657165717
9255636723
10113044431
11588a0a55
1231a37293
131a55ccc6
1411028d43
159dce9a6
hex6bcebcf

113044431 has 8 divisors (see below), whose sum is σ = 150816384. Its totient is φ = 75317720.

The previous prime is 113044427. The next prime is 113044439. The reversal of 113044431 is 134440311.

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 113044431 - 22 = 113044427 is a prime.

It is a super-3 number, since 3×1130444313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 113044398 and 113044407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113044439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4971 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (18852048).

Almost surely, 2113044431 is an apocalyptic number.

113044431 is a deficient number, since it is larger than the sum of its proper divisors (37771953).

113044431 is a wasteful number, since it uses less digits than its factorization.

113044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22621.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 113044431 is about 10632.2354657899. The cubic root of 113044431 is about 483.5221688875.

Adding to 113044431 its reverse (134440311), we get a palindrome (247484742).

The spelling of 113044431 in words is "one hundred thirteen million, forty-four thousand, four hundred thirty-one".

Divisors: 1 3 1811 5433 20807 62421 37681477 113044431