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1344421 = 13195443
BaseRepresentation
bin101001000001110100101
32112022012101
411020032211
5321010141
644452101
714266411
oct5101645
92468171
101344421
118390a1
1254a031
13380c20
1426dd41
151b8531
hex1483a5

1344421 has 8 divisors (see below), whose sum is σ = 1524320. Its totient is φ = 1175472.

The previous prime is 1344407. The next prime is 1344457. The reversal of 1344421 is 1244431.

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 1344421 - 25 = 1344389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

1344421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344401) 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, 2475 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (190540).

21344421 is an apocalyptic number.

It is an amenable number.

1344421 is a deficient number, since it is larger than the sum of its proper divisors (179899).

1344421 is a wasteful number, since it uses less digits than its factorization.

1344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475.

The product of its digits is 384, while the sum is 19.

The square root of 1344421 is about 1159.4916989785. The cubic root of 1344421 is about 110.3684887400.

Adding to 1344421 its reverse (1244431), we get a palindrome (2588852).

The spelling of 1344421 in words is "one million, three hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 13 19 247 5443 70759 103417 1344421