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51143126 = 2123120773
BaseRepresentation
bin1100001100011…
…0000111010110
310120020100011212
43003012013112
5101043040001
65024101422
71160465216
oct303060726
9116210155
1051143126
1126961651
1215164872
13a798808
146b14246
1547537bb
hex30c61d6

51143126 has 8 divisors (see below), whose sum is σ = 76780704. Its totient is φ = 25549560.

The previous prime is 51143119. The next prime is 51143137. The reversal of 51143126 is 62134115.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7925 + ... + 12848.

It is an arithmetic number, because the mean of its divisors is an integer number (9597588).

Almost surely, 251143126 is an apocalyptic number.

51143126 is a deficient number, since it is larger than the sum of its proper divisors (25637578).

51143126 is a wasteful number, since it uses less digits than its factorization.

51143126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006.

The product of its digits is 720, while the sum is 23.

The square root of 51143126 is about 7151.4422321655. The cubic root of 51143126 is about 371.1895631835.

The spelling of 51143126 in words is "fifty-one million, one hundred forty-three thousand, one hundred twenty-six".

Divisors: 1 2 1231 2462 20773 41546 25571563 51143126