Base | Representation |
---|---|
bin | 101010100100000… |
… | …1111001010100011 |
3 | 10200112110020010100 |
4 | 1111020033022203 |
5 | 10411111111002 |
6 | 353415433443 |
7 | 50251456236 |
oct | 12510171243 |
9 | 3615406110 |
10 | 1428222627 |
11 | 673215887 |
12 | 33a385883 |
13 | 199b80760 |
14 | d797b41d |
15 | 855bc11c |
hex | 5520f2a3 |
1428222627 has 12 divisors (see below), whose sum is σ = 2221679824. Its totient is φ = 878906160.
The previous prime is 1428222623. The next prime is 1428222629. The reversal of 1428222627 is 7262228241.
1428222627 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 2 + 22 + 627 = 666.
It is not a de Polignac number, because 1428222627 - 22 = 1428222623 is a prime.
It is a super-2 number, since 2×14282226272 = 4079639744549562258, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1428222591 and 1428222600.
It is not an unprimeable number, because it can be changed into a prime (1428222623) 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, 6103399 + ... + 6103632.
Almost surely, 21428222627 is an apocalyptic number.
1428222627 is a deficient number, since it is larger than the sum of its proper divisors (793457197).
1428222627 is a wasteful number, since it uses less digits than its factorization.
1428222627 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12207050 (or 12207047 counting only the distinct ones).
The product of its digits is 43008, while the sum is 36.
The square root of 1428222627 is about 37791.8328081611. The cubic root of 1428222627 is about 1126.1562110087.
The spelling of 1428222627 in words is "one billion, four hundred twenty-eight million, two hundred twenty-two thousand, six hundred twenty-seven".
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