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3440782441 = 12113284057
BaseRepresentation
bin1100110100010110…
…0010110001101001
322212210102212011201
43031011202301221
524021320014231
61325231524201
7151160111455
oct31505426151
98783385151
103440782441
111506260858
12800389661
1342ab04855
14248d85665
15152111161
hexcd162c69

3440782441 has 4 divisors (see below), whose sum is σ = 3441078612. Its totient is φ = 3440486272.

The previous prime is 3440782421. The next prime is 3440782463. The reversal of 3440782441 is 1442870443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 839782441 + 2601000000 = 28979^2 + 51000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3440782441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440782441.

It is not an unprimeable number, because it can be changed into a prime (3440782421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129916 + ... + 154141.

It is an arithmetic number, because the mean of its divisors is an integer number (860269653).

Almost surely, 23440782441 is an apocalyptic number.

It is an amenable number.

3440782441 is a deficient number, since it is larger than the sum of its proper divisors (296171).

3440782441 is a wasteful number, since it uses less digits than its factorization.

3440782441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296170.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 3440782441 is about 58658.1830693723. The cubic root of 3440782441 is about 1509.6829065316.

The spelling of 3440782441 in words is "three billion, four hundred forty million, seven hundred eighty-two thousand, four hundred forty-one".

Divisors: 1 12113 284057 3440782441