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3421449 = 322913109
BaseRepresentation
bin1101000011010100001001
320102211100100
431003110021
51333441244
6201200013
741040033
oct15032411
96384310
103421449
111a27649
121190009
1392a435
14650c53
15478b69
hex343509

3421449 has 12 divisors (see below), whose sum is σ = 5112900. Its totient is φ = 2202144.

The previous prime is 3421447. The next prime is 3421499. The reversal of 3421449 is 9441243.

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 1871424 = 1245^2 + 1368^2 .

It is not a de Polignac number, because 3421449 - 21 = 3421447 is a prime.

3421449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3421447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6294 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (426075).

Almost surely, 23421449 is an apocalyptic number.

It is an amenable number.

3421449 is a deficient number, since it is larger than the sum of its proper divisors (1691451).

3421449 is a wasteful number, since it uses less digits than its factorization.

3421449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144 (or 13141 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3421449 is about 1849.7159241354. The cubic root of 3421449 is about 150.6850004012.

The spelling of 3421449 in words is "three million, four hundred twenty-one thousand, four hundred forty-nine".

Divisors: 1 3 9 29 87 261 13109 39327 117981 380161 1140483 3421449