Base | Representation |
---|---|
bin | 111100111001000… |
… | …1111110101111001 |
3 | 12021101200002100222 |
4 | 1321302033311321 |
5 | 13141030341400 |
6 | 534425105425 |
7 | 101430020462 |
oct | 17162176571 |
9 | 5241602328 |
10 | 2043215225 |
11 | 959383927 |
12 | 490328275 |
13 | 2673c84bc |
14 | 155507d69 |
15 | be59c185 |
hex | 79c8fd79 |
2043215225 has 6 divisors (see below), whose sum is σ = 2533586910. Its totient is φ = 1634572160.
The previous prime is 2043215171. The next prime is 2043215231. The reversal of 2043215225 is 5225123402.
It can be written as a sum of positive squares in 3 ways, for example, as 58690921 + 1984524304 = 7661^2 + 44548^2 .
It is not a de Polignac number, because 2043215225 - 224 = 2026438009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2043215194 and 2043215203.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40864280 + ... + 40864329.
It is an arithmetic number, because the mean of its divisors is an integer number (422264485).
Almost surely, 22043215225 is an apocalyptic number.
2043215225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2043215225 is a deficient number, since it is larger than the sum of its proper divisors (490371685).
2043215225 is an equidigital number, since it uses as much as digits as its factorization.
2043215225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81728619 (or 81728614 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 2043215225 is about 45201.9382880867. The cubic root of 2043215225 is about 1268.9310916255.
Adding to 2043215225 its reverse (5225123402), we get a palindrome (7268338627).
The spelling of 2043215225 in words is "two billion, forty-three million, two hundred fifteen thousand, two hundred twenty-five".
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