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51468805 = 525141011
BaseRepresentation
bin1100010001010…
…1101000000101
310120211212221001
43010111220011
5101134000210
65035053301
71163322553
oct304255005
9116755831
1051468805
1127064303
12152a1231
13a880b1b
146b9abd3
1547ba03a
hex3115a05

51468805 has 8 divisors (see below), whose sum is σ = 62010144. Its totient is φ = 41010000.

The previous prime is 51468793. The next prime is 51468821. The reversal of 51468805 is 50886415.

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

It is not a de Polignac number, because 51468805 - 217 = 51337733 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 19251 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (7751268).

Almost surely, 251468805 is an apocalyptic number.

It is an amenable number.

51468805 is a deficient number, since it is larger than the sum of its proper divisors (10541339).

51468805 is a wasteful number, since it uses less digits than its factorization.

51468805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41267.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 51468805 is about 7174.1762593346. The cubic root of 51468805 is about 371.9758072871.

The spelling of 51468805 in words is "fifty-one million, four hundred sixty-eight thousand, eight hundred five".

Divisors: 1 5 251 1255 41011 205055 10293761 51468805