Base | Representation |
---|---|
bin | 1010110001101… |
… | …1010111010001 |
3 | 10011001102220112 |
4 | 2230123113101 |
5 | 43032411344 |
6 | 4252451105 |
7 | 1056125621 |
oct | 254332721 |
9 | 104042815 |
10 | 45200849 |
11 | 23573081 |
12 | 13179a95 |
13 | 9497b85 |
14 | 6008881 |
15 | 3e7cc9e |
hex | 2b1b5d1 |
45200849 has 4 divisors (see below), whose sum is σ = 45222720. Its totient is φ = 45178980.
The previous prime is 45200843. The next prime is 45200851. The reversal of 45200849 is 94800254.
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, and also an emirpimes, since its reverse is a distinct semiprime: 94800254 = 2 ⋅47400127.
It is a cyclic number.
It is not a de Polignac number, because 45200849 - 216 = 45135313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45200843) 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, 7469 + ... + 12090.
It is an arithmetic number, because the mean of its divisors is an integer number (11305680).
Almost surely, 245200849 is an apocalyptic number.
It is an amenable number.
45200849 is a deficient number, since it is larger than the sum of its proper divisors (21871).
45200849 is a wasteful number, since it uses less digits than its factorization.
45200849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21870.
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 45200849 is about 6723.1576658591. The cubic root of 45200849 is about 356.2177291380.
The spelling of 45200849 in words is "forty-five million, two hundred thousand, eight hundred forty-nine".
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