Base | Representation |
---|---|
bin | 1100001011101… |
… | …0001011001011 |
3 | 10120010212002111 |
4 | 3002322023023 |
5 | 101040003334 |
6 | 5023043151 |
7 | 1160202511 |
oct | 302721313 |
9 | 116125074 |
10 | 51094219 |
11 | 26928930 |
12 | 151404b7 |
13 | a77c487 |
14 | 6b004b1 |
15 | 4744064 |
hex | 30ba2cb |
51094219 has 16 divisors (see below), whose sum is σ = 56899584. Its totient is φ = 45493600.
The previous prime is 51094207. The next prime is 51094223. The reversal of 51094219 is 91249015.
51094219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 51094219 - 25 = 51094187 is a prime.
It is a super-2 number, since 2×510942192 = 5221238430439922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51094229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174237 + ... + 174529.
It is an arithmetic number, because the mean of its divisors is an integer number (3556224).
Almost surely, 251094219 is an apocalyptic number.
51094219 is a deficient number, since it is larger than the sum of its proper divisors (5805365).
51094219 is a wasteful number, since it uses less digits than its factorization.
51094219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578.
The product of its (nonzero) digits is 3240, while the sum is 31.
The square root of 51094219 is about 7148.0220341015. The cubic root of 51094219 is about 371.0712054221.
The spelling of 51094219 in words is "fifty-one million, ninety-four thousand, two hundred nineteen".
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