Base | Representation |
---|---|
bin | 1111110110001110… |
… | …1110010001011101 |
3 | 101222110122121020202 |
4 | 3331203232101131 |
5 | 32203011001341 |
6 | 1542041553245 |
7 | 210263256002 |
oct | 37543562135 |
9 | 11873577222 |
10 | 4254000221 |
11 | 18932aa369 |
12 | 9a87a5825 |
13 | 52a434ac3 |
14 | 2c4d918a9 |
15 | 19d6e979b |
hex | fd8ee45d |
4254000221 has 4 divisors (see below), whose sum is σ = 4344510912. Its totient is φ = 4163489532.
The previous prime is 4254000217. The next prime is 4254000229. The reversal of 4254000221 is 1220004524.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 4254000221 - 22 = 4254000217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4254000193 and 4254000202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4254000229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45255275 + ... + 45255368.
It is an arithmetic number, because the mean of its divisors is an integer number (1086127728).
Almost surely, 24254000221 is an apocalyptic number.
It is an amenable number.
4254000221 is a deficient number, since it is larger than the sum of its proper divisors (90510691).
4254000221 is an equidigital number, since it uses as much as digits as its factorization.
4254000221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90510690.
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 4254000221 is about 65222.6971306768. The cubic root of 4254000221 is about 1620.3139437540.
Adding to 4254000221 its reverse (1220004524), we get a palindrome (5474004745).
The spelling of 4254000221 in words is "four billion, two hundred fifty-four million, two hundred twenty-one", and thus it is an aban number.
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