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1144199 = 72191229
BaseRepresentation
bin100010111010110000111
32011010112202
410113112013
5243103244
640305115
712503600
oct4272607
92133482
101144199
11711721
1247219b
13310a54
1421ada7
1517904e
hex117587

1144199 has 12 divisors (see below), whose sum is σ = 1402200. Its totient is φ = 928368.

The previous prime is 1144193. The next prime is 1144211. The reversal of 1144199 is 9914411.

It is not a de Polignac number, because 1144199 - 24 = 1144183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144193) 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 11 ways as a sum of consecutive naturals, for example, 317 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (116850).

21144199 is an apocalyptic number.

1144199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1144199 is a deficient number, since it is larger than the sum of its proper divisors (258001).

1144199 is a wasteful number, since it uses less digits than its factorization.

1144199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1255 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 1144199 is about 1069.6723797500. The cubic root of 1144199 is about 104.5924945900.

The spelling of 1144199 in words is "one million, one hundred forty-four thousand, one hundred ninety-nine".

Divisors: 1 7 19 49 133 931 1229 8603 23351 60221 163457 1144199