Base | Representation |
---|---|
bin | 101010100100110… |
… | …1000001001010111 |
3 | 10200120010202002011 |
4 | 1111021220021113 |
5 | 10411204241340 |
6 | 353431325051 |
7 | 50254534645 |
oct | 12511501127 |
9 | 3616122064 |
10 | 1428587095 |
11 | 6734446a1 |
12 | 33a520787 |
13 | 199c7a610 |
14 | d7a34195 |
15 | 856400ea |
hex | 55268257 |
1428587095 has 64 divisors (see below), whose sum is σ = 2011806720. Its totient is φ = 964454400.
The previous prime is 1428587081. The next prime is 1428587101. The reversal of 1428587095 is 5907858241.
It is a happy number.
It is not a de Polignac number, because 1428587095 - 27 = 1428586967 is a prime.
It is a super-2 number, since 2×14285870952 = 4081722176001078050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10277536 + ... + 10277674.
It is an arithmetic number, because the mean of its divisors is an integer number (31434480).
It is a vampire number, since it can be written as 18209 ⋅ 78455 (with its own digits).
Almost surely, 21428587095 is an apocalyptic number.
1428587095 is a deficient number, since it is larger than the sum of its proper divisors (583219625).
1428587095 is a wasteful number, since it uses less digits than its factorization.
1428587095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376.
The product of its (nonzero) digits is 806400, while the sum is 49.
The square root of 1428587095 is about 37796.6545477242. The cubic root of 1428587095 is about 1126.2519974277.
The spelling of 1428587095 in words is "one billion, four hundred twenty-eight million, five hundred eighty-seven thousand, ninety-five".
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