Search a number
-
+
113549445 = 3451811549
BaseRepresentation
bin1101100010010…
…10000010000101
321220122220120000
412301022002011
5213032040240
615133431513
72546103642
oct661120205
9256586500
10113549445
1159106419
123203b599
131a6a8b29
141111adc9
159e7e430
hex6c4a085

113549445 has 40 divisors (see below), whose sum is σ = 204804600. Its totient is φ = 60186240.

The previous prime is 113549441. The next prime is 113549467. The reversal of 113549445 is 544945311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1147041 + 112402404 = 1071^2 + 10602^2 .

It is not a de Polignac number, because 113549445 - 22 = 113549441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113549441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72531 + ... + 74079.

It is an arithmetic number, because the mean of its divisors is an integer number (5120115).

Almost surely, 2113549445 is an apocalyptic number.

113549445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113549445 is a deficient number, since it is larger than the sum of its proper divisors (91255155).

113549445 is a wasteful number, since it uses less digits than its factorization.

113549445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1738 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 113549445 is about 10655.9581924856. The cubic root of 113549445 is about 484.2411273183.

It can be divided in two parts, 11 and 3549445, that added together give a square (3549456 = 18842).

The spelling of 113549445 in words is "one hundred thirteen million, five hundred forty-nine thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 181 405 543 905 1549 1629 2715 4647 4887 7745 8145 13941 14661 23235 24435 41823 69705 73305 125469 209115 280369 627345 841107 1401845 2523321 4205535 7569963 12616605 22709889 37849815 113549445