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51494182 = 2127202733
BaseRepresentation
bin1100010001101…
…1110100100110
310120220011201221
43010123310212
5101140303212
65035410554
71163456545
oct304336446
9116804657
1051494182
1127081383
12152b3a5a
13a88c53c
146ba615c
1547c2807
hex311bd26

51494182 has 8 divisors (see below), whose sum is σ = 77849856. Its totient is φ = 25544232.

The previous prime is 51494167. The next prime is 51494189. The reversal of 51494182 is 28149415.

It is a happy number.

51494182 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 not an unprimeable number, because it can be changed into a prime (51494189) 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, 101113 + ... + 101620.

It is an arithmetic number, because the mean of its divisors is an integer number (9731232).

Almost surely, 251494182 is an apocalyptic number.

51494182 is a deficient number, since it is larger than the sum of its proper divisors (26355674).

51494182 is a wasteful number, since it uses less digits than its factorization.

51494182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202862.

The product of its digits is 11520, while the sum is 34.

The square root of 51494182 is about 7175.9446764869. The cubic root of 51494182 is about 372.0369322025.

The spelling of 51494182 in words is "fifty-one million, four hundred ninety-four thousand, one hundred eighty-two".

Divisors: 1 2 127 254 202733 405466 25747091 51494182