Base | Representation |
---|---|
bin | 11111101111010011111 |
3 | 1221211122200 |
4 | 3331322133 |
5 | 231240111 |
6 | 34142543 |
7 | 11561106 |
oct | 3757237 |
9 | 1854580 |
10 | 1040031 |
11 | 650433 |
12 | 421a53 |
13 | 2a5505 |
14 | 1d103d |
15 | 158256 |
hex | fde9f |
1040031 has 12 divisors (see below), whose sum is σ = 1523808. Its totient is φ = 683424.
The previous prime is 1040029. The next prime is 1040051. The reversal of 1040031 is 1300401.
It is not a de Polignac number, because 1040031 - 21 = 1040029 is a prime.
It is a super-2 number, since 2×10400312 = 2163328961922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1039995 and 1040022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1040021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135 + ... + 1448.
It is an arithmetic number, because the mean of its divisors is an integer number (126984).
21040031 is an apocalyptic number.
1040031 is a deficient number, since it is larger than the sum of its proper divisors (483777).
1040031 is a wasteful number, since it uses less digits than its factorization.
1040031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1662 (or 1659 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 1040031 is about 1019.8191016058. The cubic root of 1040031 is about 101.3169470368.
Adding to 1040031 its reverse (1300401), we get a palindrome (2340432).
The spelling of 1040031 in words is "one million, forty thousand, thirty-one".
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