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1144276 = 22740867
BaseRepresentation
bin100010111010111010100
32011010122121
410113113110
5243104101
640305324
712504040
oct4272724
92133577
101144276
11711791
12472244
13310ab3
1421b020
151790a1
hex1175d4

1144276 has 12 divisors (see below), whose sum is σ = 2288608. Its totient is φ = 490392.

The previous prime is 1144271. The next prime is 1144277. The reversal of 1144276 is 6724411.

1144276 is nontrivially palindromic in base 8.

1144276 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144271) 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 3 ways as a sum of consecutive naturals, for example, 20406 + ... + 20461.

21144276 is an apocalyptic number.

It is an amenable number.

1144276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144276 is a wasteful number, since it uses less digits than its factorization.

1144276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40878 (or 40876 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1144276 is about 1069.7083714733. The cubic root of 1144276 is about 104.5948407557.

Adding to 1144276 its reverse (6724411), we get a palindrome (7868687).

The spelling of 1144276 in words is "one million, one hundred forty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 28 40867 81734 163468 286069 572138 1144276