Search a number
-
+
51878083 = 471915779
BaseRepresentation
bin1100010111100…
…1100011000011
310121121200100111
43011321203003
5101240044313
65051532151
71166646025
oct305714303
9117550314
1051878083
1127313854
121545a057
13a9951ba
146c66015
15484b43d
hex31798c3

51878083 has 8 divisors (see below), whose sum is σ = 53268480. Its totient is φ = 50499720.

The previous prime is 51878077. The next prime is 51878089. The reversal of 51878083 is 38087815.

51878083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51878077) and next prime (51878089).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51878083 - 29 = 51877571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51878089) 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 7 ways as a sum of consecutive naturals, for example, 6088 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (6658560).

Almost surely, 251878083 is an apocalyptic number.

51878083 is a deficient number, since it is larger than the sum of its proper divisors (1390397).

51878083 is a wasteful number, since it uses less digits than its factorization.

51878083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 51878083 is about 7202.6441672486. The cubic root of 51878083 is about 372.9591844881.

The spelling of 51878083 in words is "fifty-one million, eight hundred seventy-eight thousand, eighty-three".

Divisors: 1 47 191 5779 8977 271613 1103789 51878083