Base | Representation |
---|---|
bin | 101011011010… |
… | …101111001001 |
3 | 210102020202122 |
4 | 223122233021 |
5 | 10403203310 |
6 | 1043541025 |
7 | 165512546 |
oct | 53325711 |
9 | 23366678 |
10 | 11381705 |
11 | 6474275 |
12 | 398a775 |
13 | 248674a |
14 | 1723bcd |
15 | eec555 |
hex | adabc9 |
11381705 has 8 divisors (see below), whose sum is σ = 13676352. Its totient is φ = 9093168.
The previous prime is 11381693. The next prime is 11381719. The reversal of 11381705 is 50718311.
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 11381705 - 212 = 11377609 is a prime.
It is a Duffinian number.
It is a plaindrome in base 9.
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5642 + ... + 7388.
It is an arithmetic number, because the mean of its divisors is an integer number (1709544).
Almost surely, 211381705 is an apocalyptic number.
It is an amenable number.
11381705 is a deficient number, since it is larger than the sum of its proper divisors (2294647).
11381705 is a wasteful number, since it uses less digits than its factorization.
11381705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3055.
The product of its (nonzero) digits is 840, while the sum is 26.
The square root of 11381705 is about 3373.6782597041. The cubic root of 11381705 is about 224.9412521519.
It can be divided in two parts, 113 and 81705, that added together give a palindrome (81818).
The spelling of 11381705 in words is "eleven million, three hundred eighty-one thousand, seven hundred five".
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