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51426286 = 2178714389
BaseRepresentation
bin1100010000101…
…1001111101110
310120202201121021
43010023033232
5101131120121
65034124354
71163054602
oct304131756
9116681537
1051426286
112703536a
12152806ba
13a867672
146b89502
1547ac641
hex310b3ee

51426286 has 8 divisors (see below), whose sum is σ = 77187960. Its totient is φ = 25696968.

The previous prime is 51426281. The next prime is 51426289. The reversal of 51426286 is 68262415.

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 (51426281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3621 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (9648495).

Almost surely, 251426286 is an apocalyptic number.

51426286 is a deficient number, since it is larger than the sum of its proper divisors (25761674).

51426286 is a wasteful number, since it uses less digits than its factorization.

51426286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16178.

The product of its digits is 23040, while the sum is 34.

The square root of 51426286 is about 7171.2123103420. The cubic root of 51426286 is about 371.8733478353.

The spelling of 51426286 in words is "fifty-one million, four hundred twenty-six thousand, two hundred eighty-six".

Divisors: 1 2 1787 3574 14389 28778 25713143 51426286