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14143445 = 529103947
BaseRepresentation
bin110101111100…
…111111010101
3222121120011022
4311330333111
512110042240
61223050525
7231134351
oct65747725
928546138
1014143445
117a901a8
1248a0a45
132c12804
141c42461
1513959b5
hexd7cfd5

14143445 has 16 divisors (see below), whose sum is σ = 17746560. Its totient is φ = 10807104.

The previous prime is 14143427. The next prime is 14143453. The reversal of 14143445 is 54434141.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14143445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14462 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (1109160).

Almost surely, 214143445 is an apocalyptic number.

It is an amenable number.

14143445 is a deficient number, since it is larger than the sum of its proper divisors (3603115).

14143445 is a wasteful number, since it uses less digits than its factorization.

14143445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its digits is 3840, while the sum is 26.

The square root of 14143445 is about 3760.7771803179. Note that the first 3 decimals coincide. The cubic root of 14143445 is about 241.8345806216.

Adding to 14143445 its reverse (54434141), we get a palindrome (68577586).

The spelling of 14143445 in words is "fourteen million, one hundred forty-three thousand, four hundred forty-five".

Divisors: 1 5 29 103 145 515 947 2987 4735 14935 27463 97541 137315 487705 2828689 14143445