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51948273 = 3132415527
BaseRepresentation
bin1100011000101…
…0101011110001
310121202020122010
43012022223301
5101244321043
65053233133
71200360456
oct306125361
9117666563
1051948273
1127361563
12154927a9
13a9bb130
146c8382d
154862133
hex318aaf1

51948273 has 16 divisors (see below), whose sum is σ = 74915456. Its totient is φ = 31829760.

The previous prime is 51948229. The next prime is 51948287. The reversal of 51948273 is 37284915.

51948273 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 51948273 - 29 = 51947761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51948293) 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, 6636 + ... + 12162.

It is an arithmetic number, because the mean of its divisors is an integer number (4682216).

Almost surely, 251948273 is an apocalyptic number.

It is an amenable number.

51948273 is a deficient number, since it is larger than the sum of its proper divisors (22967183).

51948273 is a wasteful number, since it uses less digits than its factorization.

51948273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784.

The product of its digits is 60480, while the sum is 39.

The square root of 51948273 is about 7207.5150364047. The cubic root of 51948273 is about 373.1273107719.

The spelling of 51948273 in words is "fifty-one million, nine hundred forty-eight thousand, two hundred seventy-three".

Divisors: 1 3 13 39 241 723 3133 5527 9399 16581 71851 215553 1332007 3996021 17316091 51948273