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52044445 = 519752837
BaseRepresentation
bin1100011010001…
…0001010011101
310121221010120001
43012202022131
5101310410240
65055254301
71201241035
oct306421235
9117833501
1052044445
1127417842
121551a391
13aa22b3b
146caa8c5
15488089a
hex31a229d

52044445 has 8 divisors (see below), whose sum is σ = 62771544. Its totient is φ = 41423424.

The previous prime is 52044437. The next prime is 52044449. The reversal of 52044445 is 54444025.

It can be written as a sum of positive squares in 4 ways, for example, as 3755844 + 48288601 = 1938^2 + 6949^2 .

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 52044445 - 23 = 52044437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52044449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25434 + ... + 27403.

It is an arithmetic number, because the mean of its divisors is an integer number (7846443).

Almost surely, 252044445 is an apocalyptic number.

It is an amenable number.

52044445 is a deficient number, since it is larger than the sum of its proper divisors (10727099).

52044445 is a wasteful number, since it uses less digits than its factorization.

52044445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53039.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 52044445 is about 7214.1835989944. The cubic root of 52044445 is about 373.3574260777.

The spelling of 52044445 in words is "fifty-two million, forty-four thousand, four hundred forty-five".

Divisors: 1 5 197 985 52837 264185 10408889 52044445