Base | Representation |
---|---|
bin | 101001101110010… |
… | …0111100111011001 |
3 | 10121120100221100121 |
4 | 1103130213213121 |
5 | 10331400324400 |
6 | 350531033241 |
7 | 46456620244 |
oct | 12334474731 |
9 | 3546327317 |
10 | 1400011225 |
11 | 6592a7178 |
12 | 330a3b821 |
13 | 194083912 |
14 | d3d1625b |
15 | 82d9821a |
hex | 537279d9 |
1400011225 has 6 divisors (see below), whose sum is σ = 1736013950. Its totient is φ = 1120008960.
The previous prime is 1400011211. The next prime is 1400011229. The reversal of 1400011225 is 5221100041.
It can be written as a sum of positive squares in 3 ways, for example, as 19963024 + 1380048201 = 4468^2 + 37149^2 .
It is not a de Polignac number, because 1400011225 - 27 = 1400011097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1400011199 and 1400011208.
It is not an unprimeable number, because it can be changed into a prime (1400011229) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28000200 + ... + 28000249.
Almost surely, 21400011225 is an apocalyptic number.
It is an amenable number.
1400011225 is a deficient number, since it is larger than the sum of its proper divisors (336002725).
1400011225 is an equidigital number, since it uses as much as digits as its factorization.
1400011225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56000459 (or 56000454 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 1400011225 is about 37416.7238678108. The cubic root of 1400011225 is about 1118.6919319028.
Adding to 1400011225 its reverse (5221100041), we get a palindrome (6621111266).
The spelling of 1400011225 in words is "one billion, four hundred million, eleven thousand, two hundred twenty-five".
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