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3443965 = 57214057
BaseRepresentation
bin1101001000110011111101
320110222020021
431020303331
51340201330
6201452141
741162500
oct15106375
96428207
103443965
111a42558
1211a1051
13937765
14659137
1548067a
hex348cfd

3443965 has 12 divisors (see below), whose sum is σ = 4807836. Its totient is φ = 2361408.

The previous prime is 3443963. The next prime is 3443969. The reversal of 3443965 is 5693443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 2893401 = 742^2 + 1701^2 .

It is not a de Polignac number, because 3443965 - 21 = 3443963 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 3443965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443963) 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 11 ways as a sum of consecutive naturals, for example, 6784 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (400653).

Almost surely, 23443965 is an apocalyptic number.

3443965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3443965 is a deficient number, since it is larger than the sum of its proper divisors (1363871).

3443965 is a wasteful number, since it uses less digits than its factorization.

3443965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14076 (or 14069 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 3443965 is about 1855.7922836352. The cubic root of 3443965 is about 151.0148224562.

The spelling of 3443965 in words is "three million, four hundred forty-three thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 49 245 14057 70285 98399 491995 688793 3443965