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52405441 = 1117280243
BaseRepresentation
bin1100011111101…
…0010011000001
310122121110202021
43013322103001
5101403433231
65111121441
71204303354
oct307722301
9118543667
1052405441
1127643a90
1215673281
13ab1b24a
146d6229b
154902811
hex31fa4c1

52405441 has 8 divisors (see below), whose sum is σ = 60532704. Its totient is φ = 44838720.

The previous prime is 52405429. The next prime is 52405471. The reversal of 52405441 is 14450425.

It is a happy number.

52405441 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52405441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52405471) 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, 139935 + ... + 140308.

It is an arithmetic number, because the mean of its divisors is an integer number (7566588).

Almost surely, 252405441 is an apocalyptic number.

It is an amenable number.

52405441 is a deficient number, since it is larger than the sum of its proper divisors (8127263).

52405441 is a wasteful number, since it uses less digits than its factorization.

52405441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280271.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 52405441 is about 7239.1602413540. The cubic root of 52405441 is about 374.2186778182.

Adding to 52405441 its reverse (14450425), we get a palindrome (66855866).

The spelling of 52405441 in words is "fifty-two million, four hundred five thousand, four hundred forty-one".

Divisors: 1 11 17 187 280243 3082673 4764131 52405441