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51982244 = 2212995561
BaseRepresentation
bin1100011001001…
…0111110100100
310121210222020022
43012102332210
5101301412434
65054054312
71200561506
oct306227644
9117728208
1051982244
1127385036
12154aa398
13aa00732
146c91d76
15486c22e
hex3192fa4

51982244 has 6 divisors (see below), whose sum is σ = 90968934. Its totient is φ = 25991120.

The previous prime is 51982223. The next prime is 51982253. The reversal of 51982244 is 44228915.

51982244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 12166144 = 6310^2 + 3488^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6497777 + ... + 6497784.

It is an arithmetic number, because the mean of its divisors is an integer number (15161489).

Almost surely, 251982244 is an apocalyptic number.

It is an amenable number.

51982244 is a deficient number, since it is larger than the sum of its proper divisors (38986690).

51982244 is a wasteful number, since it uses less digits than its factorization.

51982244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995565 (or 12995563 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 51982244 is about 7209.8712887263. The cubic root of 51982244 is about 373.2086272119.

The spelling of 51982244 in words is "fifty-one million, nine hundred eighty-two thousand, two hundred forty-four".

Divisors: 1 2 4 12995561 25991122 51982244