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51703113 = 3711223823
BaseRepresentation
bin1100010100111…
…0110101001001
310121021210100010
43011032311021
5101213444423
65044102133
71165316640
oct305166511
9117253303
1051703113
1127204350
1215394949
13a933677
146c1c357
154814693
hex314ed49

51703113 has 16 divisors (see below), whose sum is σ = 85948416. Its totient is φ = 26858640.

The previous prime is 51703087. The next prime is 51703117. The reversal of 51703113 is 31130715.

51703113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51703113 - 25 = 51703081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 51703113.

It is not an unprimeable number, because it can be changed into a prime (51703117) 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 15 ways as a sum of consecutive naturals, for example, 111681 + ... + 112142.

It is an arithmetic number, because the mean of its divisors is an integer number (5371776).

Almost surely, 251703113 is an apocalyptic number.

It is an amenable number.

51703113 is a deficient number, since it is larger than the sum of its proper divisors (34245303).

51703113 is a wasteful number, since it uses less digits than its factorization.

51703113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223844.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 51703113 is about 7190.4876746991. The cubic root of 51703113 is about 372.5394171762.

Adding to 51703113 its reverse (31130715), we get a palindrome (82833828).

The spelling of 51703113 in words is "fifty-one million, seven hundred three thousand, one hundred thirteen".

Divisors: 1 3 7 11 21 33 77 231 223823 671469 1566761 2462053 4700283 7386159 17234371 51703113