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51505058 = 2113376947
BaseRepresentation
bin1100010001111…
…0011110100010
310120220201122202
43010132132202
5101141130213
65035533202
71163533343
oct304363642
9116821582
1051505058
1127089570
12152ba202
13a894487
146baa0ca
1547c5b58
hex311e7a2

51505058 has 16 divisors (see below), whose sum is σ = 84543264. Its totient is φ = 23338560.

The previous prime is 51505057. The next prime is 51505063. The reversal of 51505058 is 85050515.

51505058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51505058.

It is not an unprimeable number, because it can be changed into a prime (51505057) 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, 3941 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (5283954).

Almost surely, 251505058 is an apocalyptic number.

51505058 is a deficient number, since it is larger than the sum of its proper divisors (33038206).

51505058 is a wasteful number, since it uses less digits than its factorization.

51505058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 51505058 is about 7176.7024461099. The cubic root of 51505058 is about 372.0631227913.

The spelling of 51505058 in words is "fifty-one million, five hundred five thousand, fifty-eight".

Divisors: 1 2 11 22 337 674 3707 6947 7414 13894 76417 152834 2341139 4682278 25752529 51505058