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51418434 = 2348717597
BaseRepresentation
bin1100010000100…
…1010101000010
310120202022211110
43010021111002
5101130342214
65034024150
71163022654
oct304112502
9116668743
1051418434
112702a481
1215278056
13a863c12
146b866d4
1547aa159
hex3109542

51418434 has 16 divisors (see below), whose sum is σ = 103053888. Its totient is φ = 17103312.

The previous prime is 51418399. The next prime is 51418453. The reversal of 51418434 is 43481415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5877 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (6440868).

Almost surely, 251418434 is an apocalyptic number.

51418434 is an abundant number, since it is smaller than the sum of its proper divisors (51635454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51418434 is a wasteful number, since it uses less digits than its factorization.

51418434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18089.

The product of its digits is 7680, while the sum is 30.

The square root of 51418434 is about 7170.6648227344. The cubic root of 51418434 is about 371.8544204321.

Adding to 51418434 its reverse (43481415), we get a palindrome (94899849).

The spelling of 51418434 in words is "fifty-one million, four hundred eighteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 487 974 1461 2922 17597 35194 52791 105582 8569739 17139478 25709217 51418434