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4427345 = 51368113
BaseRepresentation
bin10000111000111001010001
322022221011202
4100320321101
52113133340
6234520545
752426466
oct20707121
98287152
104427345
11255436a
121596155
13bc0240
1483366d
155c6c15
hex438e51

4427345 has 8 divisors (see below), whose sum is σ = 5721576. Its totient is φ = 3269376.

The previous prime is 4427341. The next prime is 4427369. The reversal of 4427345 is 5437244.

It can be written as a sum of positive squares in 4 ways, for example, as 529 + 4426816 = 23^2 + 2104^2 .

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 4427345 - 22 = 4427341 is a prime.

It is a d-powerful number, because it can be written as 42 + 46 + 217 + 72 + 39 + 411 + 57 .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4427341) 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, 33992 + ... + 34121.

It is an arithmetic number, because the mean of its divisors is an integer number (715197).

Almost surely, 24427345 is an apocalyptic number.

It is an amenable number.

4427345 is a deficient number, since it is larger than the sum of its proper divisors (1294231).

4427345 is a wasteful number, since it uses less digits than its factorization.

4427345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68131.

The product of its digits is 13440, while the sum is 29.

The square root of 4427345 is about 2104.1257091723. The cubic root of 4427345 is about 164.2030130156.

The spelling of 4427345 in words is "four million, four hundred twenty-seven thousand, three hundred forty-five".

Divisors: 1 5 13 65 68113 340565 885469 4427345