Base | Representation |
---|---|
bin | 1100010110010… |
… | …0100011001001 |
3 | 10121110022100221 |
4 | 3011210203021 |
5 | 101224321243 |
6 | 5050030041 |
7 | 1166140204 |
oct | 305444311 |
9 | 117408327 |
10 | 51792073 |
11 | 27265173 |
12 | 15418321 |
13 | a964cc8 |
14 | 6c4293b |
15 | 4830bed |
hex | 31648c9 |
51792073 has 4 divisors (see below), whose sum is σ = 52894080. Its totient is φ = 50690068.
The previous prime is 51792071. The next prime is 51792107. The reversal of 51792073 is 37029715.
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: 37029715 = 5 ⋅7405943.
It is a cyclic number.
It is not a de Polignac number, because 51792073 - 21 = 51792071 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51792071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550933 + ... + 551026.
It is an arithmetic number, because the mean of its divisors is an integer number (13223520).
Almost surely, 251792073 is an apocalyptic number.
It is an amenable number.
51792073 is a deficient number, since it is larger than the sum of its proper divisors (1102007).
51792073 is a wasteful number, since it uses less digits than its factorization.
51792073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1102006.
The product of its (nonzero) digits is 13230, while the sum is 34.
The square root of 51792073 is about 7196.6709664956. The cubic root of 51792073 is about 372.7529576211.
The spelling of 51792073 in words is "fifty-one million, seven hundred ninety-two thousand, seventy-three".
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