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1244109 = 3414703
BaseRepresentation
bin100101111101111001101
32100012121010
410233233031
5304302414
642355433
713401066
oct4575715
92305533
101244109
1177a799
124bbb79
13347379
1424556d
15198959
hex12fbcd

1244109 has 4 divisors (see below), whose sum is σ = 1658816. Its totient is φ = 829404.

The previous prime is 1244099. The next prime is 1244141. The reversal of 1244109 is 9014421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1244109 - 211 = 1242061 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244149) 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, 207349 + ... + 207354.

It is an arithmetic number, because the mean of its divisors is an integer number (414704).

21244109 is an apocalyptic number.

It is an amenable number.

1244109 is a deficient number, since it is larger than the sum of its proper divisors (414707).

1244109 is an equidigital number, since it uses as much as digits as its factorization.

1244109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414706.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1244109 is about 1115.3963421134. The cubic root of 1244109 is about 107.5522443008.

The spelling of 1244109 in words is "one million, two hundred forty-four thousand, one hundred nine".

Divisors: 1 3 414703 1244109