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51394105 = 571468403
BaseRepresentation
bin1100010000001…
…1011000111001
310120201002110101
43010003120321
5101124102410
65033315401
71162562020
oct304033071
9116632411
1051394105
1127013174
1215265b61
13a855b19
146b7b8b7
1547a2d3a
hex3103639

51394105 has 8 divisors (see below), whose sum is σ = 70483392. Its totient is φ = 35241648.

The previous prime is 51394097. The next prime is 51394127. The reversal of 51394105 is 50149315.

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

It is a cyclic number.

It is not a de Polignac number, because 51394105 - 23 = 51394097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734167 + ... + 734236.

It is an arithmetic number, because the mean of its divisors is an integer number (8810424).

Almost surely, 251394105 is an apocalyptic number.

It is an amenable number.

51394105 is a deficient number, since it is larger than the sum of its proper divisors (19089287).

51394105 is a wasteful number, since it uses less digits than its factorization.

51394105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468415.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 51394105 is about 7168.9681963306. The cubic root of 51394105 is about 371.7957626530.

The spelling of 51394105 in words is "fifty-one million, three hundred ninety-four thousand, one hundred five".

Divisors: 1 5 7 35 1468403 7342015 10278821 51394105