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51076243 = 371380439
BaseRepresentation
bin1100001011010…
…1110010010011
310120002221102201
43002311302103
5101033414433
65022424031
71160066221
oct302656223
9116087381
1051076243
1126916379
1215132017
13a77423a
146ad7b11
15473da7d
hex30b5c93

51076243 has 4 divisors (see below), whose sum is σ = 52456720. Its totient is φ = 49695768.

The previous prime is 51076229. The next prime is 51076301. The reversal of 51076243 is 34267015.

51076243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51076243 - 217 = 50945171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51076643) 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 3 ways as a sum of consecutive naturals, for example, 690183 + ... + 690256.

It is an arithmetic number, because the mean of its divisors is an integer number (13114180).

Almost surely, 251076243 is an apocalyptic number.

51076243 is a deficient number, since it is larger than the sum of its proper divisors (1380477).

51076243 is a wasteful number, since it uses less digits than its factorization.

51076243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380476.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 51076243 is about 7146.7645127008. The cubic root of 51076243 is about 371.0276834834.

The spelling of 51076243 in words is "fifty-one million, seventy-six thousand, two hundred forty-three".

Divisors: 1 37 1380439 51076243