Base | Representation |
---|---|
bin | 1101100001000… |
… | …00010001010101 |
3 | 21220100012220121 |
4 | 12300200101111 |
5 | 213011102024 |
6 | 15130031541 |
7 | 2544462145 |
oct | 660402125 |
9 | 256305817 |
10 | 113378389 |
11 | 58aa9953 |
12 | 31b785b1 |
13 | 1a649007 |
14 | 110b4925 |
15 | 9e488e4 |
hex | 6c20455 |
113378389 has 8 divisors (see below), whose sum is σ = 120498840. Its totient is φ = 106308096.
The previous prime is 113378387. The next prime is 113378393. The reversal of 113378389 is 983873311.
It can be written as a sum of positive squares in 4 ways, for example, as 35497764 + 77880625 = 5958^2 + 8825^2 .
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 113378389 - 21 = 113378387 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113378381) 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, 7824 + ... + 16969.
It is an arithmetic number, because the mean of its divisors is an integer number (15062355).
Almost surely, 2113378389 is an apocalyptic number.
It is an amenable number.
113378389 is a deficient number, since it is larger than the sum of its proper divisors (7120451).
113378389 is a wasteful number, since it uses less digits than its factorization.
113378389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25079.
The product of its digits is 108864, while the sum is 43.
The square root of 113378389 is about 10647.9288596421. The cubic root of 113378389 is about 483.9978442292.
The spelling of 113378389 in words is "one hundred thirteen million, three hundred seventy-eight thousand, three hundred eighty-nine".
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