Base | Representation |
---|---|
bin | 1000010000000100… |
… | …1001110011111101 |
3 | 12201100201022112102 |
4 | 2010001021303331 |
5 | 14014003113340 |
6 | 1003440514445 |
7 | 105613203242 |
oct | 20401116375 |
9 | 5640638472 |
10 | 2214894845 |
11 | a37283309 |
12 | 51991ba25 |
13 | 293b48187 |
14 | 1702375c9 |
15 | ce6b0215 |
hex | 84049cfd |
2214894845 has 4 divisors (see below), whose sum is σ = 2657873820. Its totient is φ = 1771915872.
The previous prime is 2214894841. The next prime is 2214894853. The reversal of 2214894845 is 5484984122.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 808719844 + 1406175001 = 28438^2 + 37499^2 .
It is a cyclic number.
It is not a de Polignac number, because 2214894845 - 22 = 2214894841 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2214894845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2214894841) 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, 221489480 + ... + 221489489.
It is an arithmetic number, because the mean of its divisors is an integer number (664468455).
Almost surely, 22214894845 is an apocalyptic number.
It is an amenable number.
2214894845 is a deficient number, since it is larger than the sum of its proper divisors (442978975).
2214894845 is an equidigital number, since it uses as much as digits as its factorization.
2214894845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442978974.
The product of its digits is 737280, while the sum is 47.
The square root of 2214894845 is about 47062.6693356847. The cubic root of 2214894845 is about 1303.5200154636.
The spelling of 2214894845 in words is "two billion, two hundred fourteen million, eight hundred ninety-four thousand, eight hundred forty-five".
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