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1244419 = 11294783
BaseRepresentation
bin100101111110100000011
32100020000121
410233310003
5304310134
642401111
713402021
oct4576403
92306017
101244419
1177aa50
12500197
13347557
14245711
15198ab4
hex12fd03

1244419 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1056160.

The previous prime is 1244401. The next prime is 1244423. The reversal of 1244419 is 9144421.

1244419 = T130 + T131 + ... + T212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1244419 is a prime.

It is a super-2 number, since 2×12444192 = 3097157295122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1244393 and 1244402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14952 + ... + 15034.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

21244419 is an apocalyptic number.

1244419 is a deficient number, since it is larger than the sum of its proper divisors (207101).

1244419 is a wasteful number, since it uses less digits than its factorization.

1244419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170.

The product of its digits is 1152, while the sum is 25.

The square root of 1244419 is about 1115.5352975142. The cubic root of 1244419 is about 107.5611766443.

It can be divided in two parts, 12 and 44419, that multiplied together give a triangular number (533028 = T1032).

The spelling of 1244419 in words is "one million, two hundred forty-four thousand, four hundred nineteen".

Divisors: 1 11 29 47 83 319 517 913 1363 2407 3901 14993 26477 42911 113129 1244419