Base | Representation |
---|---|
bin | 1010011000000110… |
… | …0010000010100001 |
3 | 21012010020222010102 |
4 | 2212001202002201 |
5 | 21201031410200 |
6 | 1140221112145 |
7 | 126011450225 |
oct | 24601420241 |
9 | 7163228112 |
10 | 2785419425 |
11 | 11aa329928 |
12 | 6589b8655 |
13 | 3550c3799 |
14 | 1c5d0a785 |
15 | 1148096d5 |
hex | a60620a1 |
2785419425 has 24 divisors (see below), whose sum is σ = 3494879736. Its totient is φ = 2202071040.
The previous prime is 2785419391. The next prime is 2785419431. The reversal of 2785419425 is 5249145872.
It can be written as a sum of positive squares in 12 ways, for example, as 932203024 + 1853216401 = 30532^2 + 43049^2 .
It is not a de Polignac number, because 2785419425 - 212 = 2785415329 is a prime.
It is a super-2 number, since 2×27854194252 = 15517122746334661250, which contains 22 as substring.
It is a Duffinian number.
Its product of digits (806400) is a multiple of the sum of its prime divisors (4032).
It is a self number, because there is not a number n which added to its sum of digits gives 2785419425.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755687 + ... + 759363.
It is an arithmetic number, because the mean of its divisors is an integer number (145619989).
Almost surely, 22785419425 is an apocalyptic number.
2785419425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2785419425 is a deficient number, since it is larger than the sum of its proper divisors (709460311).
2785419425 is a wasteful number, since it uses less digits than its factorization.
2785419425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4037 (or 4032 counting only the distinct ones).
The product of its digits is 806400, while the sum is 47.
The square root of 2785419425 is about 52777.0729104978. The cubic root of 2785419425 is about 1407.0089715669.
The spelling of 2785419425 in words is "two billion, seven hundred eighty-five million, four hundred nineteen thousand, four hundred twenty-five".
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