Search a number
51425054 = 232297963
BaseRepresentation
bin1100010000101…
…0111100011110
310120202122220122
43010022330132
5101131100204
65034114542
71163051162
oct304127436
9116678818
1051425054
112703444a
121527ba52
13a866c35
146b88ca2
1547ac0be
hex310af1e

51425054 has 8 divisors (see below), whose sum is σ = 77171160. Its totient is φ = 25701336.

The previous prime is 51425041. The next prime is 51425071. The reversal of 51425054 is 45052415.

51425054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 2477 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (9646395).

Almost surely, 251425054 is an apocalyptic number.

51425054 is a deficient number, since it is larger than the sum of its proper divisors (25746106).

51425054 is a wasteful number, since it uses less digits than its factorization.

51425054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51425054 is about 7171.1264108228. The cubic root of 51425054 is about 371.8703782021.

Adding to 51425054 its reverse (45052415), we get a palindrome (96477469).

The spelling of 51425054 in words is "fifty-one million, four hundred twenty-five thousand, fifty-four".

Divisors: 1 2 3229 6458 7963 15926 25712527 51425054