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51472267 = 711668471
BaseRepresentation
bin1100010001011…
…0011110001011
310120212001200021
43010112132023
5101134103032
65035121311
71163335630
oct304263613
9116761607
1051472267
1127066970
12152a3237
13a882582
146b9c187
1547bb097
hex311678b

51472267 has 8 divisors (see below), whose sum is σ = 64173312. Its totient is φ = 40108200.

The previous prime is 51472259. The next prime is 51472297. The reversal of 51472267 is 76227415.

51472267 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 not a de Polignac number, because 51472267 - 23 = 51472259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51472207) 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, 334159 + ... + 334312.

It is an arithmetic number, because the mean of its divisors is an integer number (8021664).

Almost surely, 251472267 is an apocalyptic number.

51472267 is a deficient number, since it is larger than the sum of its proper divisors (12701045).

51472267 is a wasteful number, since it uses less digits than its factorization.

51472267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668489.

The product of its digits is 23520, while the sum is 34.

The square root of 51472267 is about 7174.4175373336. The cubic root of 51472267 is about 371.9841472992.

The spelling of 51472267 in words is "fifty-one million, four hundred seventy-two thousand, two hundred sixty-seven".

Divisors: 1 7 11 77 668471 4679297 7353181 51472267