Base | Representation |
---|---|
bin | 111101011101001… |
… | …000000100011001 |
3 | 2122212002112101201 |
4 | 331131020010121 |
5 | 4102421423101 |
6 | 250150514201 |
7 | 34356512161 |
oct | 7535100431 |
9 | 2585075351 |
10 | 1031045401 |
11 | 489aa8741 |
12 | 249365961 |
13 | 1357b9c49 |
14 | 9ad0d5a1 |
15 | 607b4e01 |
hex | 3d748119 |
1031045401 has 8 divisors (see below), whose sum is σ = 1038618504. Its totient is φ = 1023496320.
The previous prime is 1031045371. The next prime is 1031045413. The reversal of 1031045401 is 1045401301.
It can be written as a sum of positive squares in 4 ways, for example, as 241491600 + 789553801 = 15540^2 + 28099^2 .
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 1031045401 - 27 = 1031045273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1031040401) 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, 85141 + ... + 96493.
It is an arithmetic number, because the mean of its divisors is an integer number (129827313).
Almost surely, 21031045401 is an apocalyptic number.
It is an amenable number.
1031045401 is a deficient number, since it is larger than the sum of its proper divisors (7573103).
1031045401 is a wasteful number, since it uses less digits than its factorization.
1031045401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12011.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 1031045401 is about 32109.8956865325. The cubic root of 1031045401 is about 1010.2431858946.
Adding to 1031045401 its reverse (1045401301), we get a palindrome (2076446702).
The spelling of 1031045401 in words is "one billion, thirty-one million, forty-five thousand, four hundred one".
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