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51473141 = 199258659
BaseRepresentation
bin1100010001011…
…0101011110101
310120212002212122
43010112223311
5101134120031
65035125325
71163341316
oct304265365
9116762778
1051473141
1127067595
12152a3845
13a882aa5
146b9c60d
1547bb47b
hex3116af5

51473141 has 4 divisors (see below), whose sum is σ = 51732000. Its totient is φ = 51214284.

The previous prime is 51473119. The next prime is 51473143. The reversal of 51473141 is 14137415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51473141 - 26 = 51473077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51473141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51473143) 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, 129131 + ... + 129528.

It is an arithmetic number, because the mean of its divisors is an integer number (12933000).

Almost surely, 251473141 is an apocalyptic number.

It is an amenable number.

51473141 is a deficient number, since it is larger than the sum of its proper divisors (258859).

51473141 is a wasteful number, since it uses less digits than its factorization.

51473141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258858.

The product of its digits is 1680, while the sum is 26.

The square root of 51473141 is about 7174.4784479431. The cubic root of 51473141 is about 371.9862527197.

The spelling of 51473141 in words is "fifty-one million, four hundred seventy-three thousand, one hundred forty-one".

Divisors: 1 199 258659 51473141