Base | Representation |
---|---|
bin | 101001101110011… |
… | …1110010111101111 |
3 | 10121120112200012200 |
4 | 1103130332113233 |
5 | 10331411320211 |
6 | 350533032543 |
7 | 46460456055 |
oct | 12334762757 |
9 | 3546480180 |
10 | 1400104431 |
11 | 659360200 |
12 | 330a85753 |
13 | 1940b717b |
14 | d3d3c1d5 |
15 | 82db5b56 |
hex | 5373e5ef |
1400104431 has 18 divisors (see below), whose sum is σ = 2222940720. Its totient is φ = 848547480.
The previous prime is 1400104417. The next prime is 1400104463. The reversal of 1400104431 is 1344010041.
It is not a de Polignac number, because 1400104431 - 25 = 1400104399 is a prime.
It is a super-2 number, since 2×14001044312 = 3920584835411667522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1400104031) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 641751 + ... + 643928.
Almost surely, 21400104431 is an apocalyptic number.
1400104431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1400104431 is a deficient number, since it is larger than the sum of its proper divisors (822836289).
1400104431 is a wasteful number, since it uses less digits than its factorization.
1400104431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285707 (or 1285693 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1400104431 is about 37417.9693596539. The cubic root of 1400104431 is about 1118.7167570576.
Adding to 1400104431 its reverse (1344010041), we get a palindrome (2744114472).
It can be divided in two parts, 140010 and 4431, that added together give a palindrome (144441).
The spelling of 1400104431 in words is "one billion, four hundred million, one hundred four thousand, four hundred thirty-one".
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