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51803429 = 238925307
BaseRepresentation
bin1100010110011…
…1010100100101
310121110212221112
43011213110211
5101230202204
65050154405
71166215256
oct305472445
9117425845
1051803429
1127272757
1215422a05
13a96a222
146c46b2d
15483426e
hex3167525

51803429 has 8 divisors (see below), whose sum is σ = 54665280. Its totient is φ = 48992416.

The previous prime is 51803413. The next prime is 51803473. The reversal of 51803429 is 92430815.

51803429 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 51803429 - 24 = 51803413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51803395 and 51803404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51803929) 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, 10607 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (6833160).

Almost surely, 251803429 is an apocalyptic number.

It is an amenable number.

51803429 is a deficient number, since it is larger than the sum of its proper divisors (2861851).

51803429 is a wasteful number, since it uses less digits than its factorization.

51803429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25419.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 51803429 is about 7197.4598991589. The cubic root of 51803429 is about 372.7801990694.

The spelling of 51803429 in words is "fifty-one million, eight hundred three thousand, four hundred twenty-nine".

Divisors: 1 23 89 2047 25307 582061 2252323 51803429