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5471845 = 57331493
BaseRepresentation
bin10100110111111001100101
3101021222221221
4110313321211
52400044340
6313140341
764336621
oct24677145
911258857
105471845
1130a8095
1219ba6b1
1311977a2
14a26181
1573144a
hex537e65

5471845 has 8 divisors (see below), whose sum is σ = 6579576. Its totient is φ = 4368576.

The previous prime is 5471833. The next prime is 5471849. The reversal of 5471845 is 5481745.

It can be written as a sum of positive squares in 4 ways, for example, as 3094081 + 2377764 = 1759^2 + 1542^2 .

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 5471845 - 25 = 5471813 is a prime.

It is a Duffinian number.

5471845 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5471845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5471849) 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, 2919 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (822447).

Almost surely, 25471845 is an apocalyptic number.

It is an amenable number.

5471845 is a deficient number, since it is larger than the sum of its proper divisors (1107731).

5471845 is a wasteful number, since it uses less digits than its factorization.

5471845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its digits is 22400, while the sum is 34.

The square root of 5471845 is about 2339.1975119686. The cubic root of 5471845 is about 176.2156984368.

Subtracting from 5471845 its product of digits (22400), we obtain a palindrome (5449445).

The spelling of 5471845 in words is "five million, four hundred seventy-one thousand, eight hundred forty-five".

Divisors: 1 5 733 1493 3665 7465 1094369 5471845