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51459043 = 241213523
BaseRepresentation
bin1100010001001…
…1001111100011
310120211101112111
43010103033203
5101133142133
65034540151
71163252236
oct304231743
9116741474
1051459043
1127057a39
1215297657
13a87954c
146b9741d
1547b71cd
hex31133e3

51459043 has 4 divisors (see below), whose sum is σ = 51672808. Its totient is φ = 51245280.

The previous prime is 51459041. The next prime is 51459053. The reversal of 51459043 is 34095415.

51459043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34095415 = 56819083.

It is a cyclic number.

It is not a de Polignac number, because 51459043 - 21 = 51459041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51458996 and 51459014.

It is not an unprimeable number, because it can be changed into a prime (51459041) 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 3 ways as a sum of consecutive naturals, for example, 106521 + ... + 107002.

It is an arithmetic number, because the mean of its divisors is an integer number (12918202).

Almost surely, 251459043 is an apocalyptic number.

51459043 is a deficient number, since it is larger than the sum of its proper divisors (213765).

51459043 is a wasteful number, since it uses less digits than its factorization.

51459043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213764.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 51459043 is about 7173.4958702156. The cubic root of 51459043 is about 371.9522884622.

The spelling of 51459043 in words is "fifty-one million, four hundred fifty-nine thousand, forty-three".

Divisors: 1 241 213523 51459043