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51707141 = 731315407
BaseRepresentation
bin1100010100111…
…1110100000101
310121021222212022
43011033310011
5101214112031
65044132525
71165334453
oct305176405
9117258768
1051707141
1127207382
1215397145
13a935455
146c1d9d3
15481597b
hex314fd05

51707141 has 8 divisors (see below), whose sum is σ = 52825344. Its totient is φ = 50600160.

The previous prime is 51707137. The next prime is 51707153. The reversal of 51707141 is 14170715.

51707141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51707141 - 22 = 51707137 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 51707141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51707741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860 + ... + 12266.

It is an arithmetic number, because the mean of its divisors is an integer number (6603168).

Almost surely, 251707141 is an apocalyptic number.

It is an amenable number.

51707141 is a deficient number, since it is larger than the sum of its proper divisors (1118203).

51707141 is a wasteful number, since it uses less digits than its factorization.

51707141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51707141 is about 7190.7677615120. The cubic root of 51707141 is about 372.5490913184.

Adding to 51707141 its reverse (14170715), we get a palindrome (65877856).

It can be divided in two parts, 5170714 and 1, that added together give a palindrome (5170715).

The spelling of 51707141 in words is "fifty-one million, seven hundred seven thousand, one hundred forty-one".

Divisors: 1 73 131 5407 9563 394711 708317 51707141