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52444427 = 719394319
BaseRepresentation
bin1100100000001…
…1110100001011
310122200110020012
43020003310023
5101411210202
65112022135
71204525130
oct310036413
9118613205
1052444427
1127670302
121569194b
13ab32c09
146d72587
15490e152
hex3203d0b

52444427 has 8 divisors (see below), whose sum is σ = 63091200. Its totient is φ = 42586344.

The previous prime is 52444423. The next prime is 52444459. The reversal of 52444427 is 72444425.

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 52444427 - 22 = 52444423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52444393 and 52444402.

It is not an unprimeable number, because it can be changed into a prime (52444421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197027 + ... + 197292.

It is an arithmetic number, because the mean of its divisors is an integer number (7886400).

Almost surely, 252444427 is an apocalyptic number.

52444427 is a deficient number, since it is larger than the sum of its proper divisors (10646773).

52444427 is a wasteful number, since it uses less digits than its factorization.

52444427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394345.

The product of its digits is 35840, while the sum is 32.

The square root of 52444427 is about 7241.8524563816. The cubic root of 52444427 is about 374.3114523647.

The spelling of 52444427 in words is "fifty-two million, four hundred forty-four thousand, four hundred twenty-seven".

Divisors: 1 7 19 133 394319 2760233 7492061 52444427