Base | Representation |
---|---|
bin | 1100010010001… |
… | …00111001101001 |
3 | 21011220002222000 |
4 | 12021010321221 |
5 | 202334331130 |
6 | 14120321213 |
7 | 2360563635 |
oct | 611047151 |
9 | 234802860 |
10 | 103042665 |
11 | 5318a530 |
12 | 2a613209 |
13 | 1846a6bb |
14 | d983dc5 |
15 | 90a6260 |
hex | 6244e69 |
103042665 has 32 divisors (see below), whose sum is σ = 199843200. Its totient is φ = 49959360.
The previous prime is 103042649. The next prime is 103042721. The reversal of 103042665 is 566240301.
It is not a de Polignac number, because 103042665 - 24 = 103042649 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33210 + ... + 36179.
It is an arithmetic number, because the mean of its divisors is an integer number (6245100).
Almost surely, 2103042665 is an apocalyptic number.
103042665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103042665 is a deficient number, since it is larger than the sum of its proper divisors (96800535).
103042665 is a wasteful number, since it uses less digits than its factorization.
103042665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69414 (or 69408 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 103042665 is about 10150.9933011504. The cubic root of 103042665 is about 468.8195288864.
Adding to 103042665 its reverse (566240301), we get a palindrome (669282966).
The spelling of 103042665 in words is "one hundred three million, forty-two thousand, six hundred sixty-five".
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