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14391047 = 1129197229
BaseRepresentation
bin110110111001…
…011100000111
31000002010210202
4312321130013
512141003142
61232241115
7233215256
oct66713407
930063722
1014391047
11813a230
1249a019b
132c9b418
141ca879d
1513e4032
hexdb9707

14391047 has 16 divisors (see below), whose sum is σ = 16394400. Its totient is φ = 12512640.

The previous prime is 14391029. The next prime is 14391049. The reversal of 14391047 is 74019341.

It is a cyclic number.

It is not a de Polignac number, because 14391047 - 28 = 14390791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62729 + ... + 62957.

It is an arithmetic number, because the mean of its divisors is an integer number (1024650).

Almost surely, 214391047 is an apocalyptic number.

14391047 is a deficient number, since it is larger than the sum of its proper divisors (2003353).

14391047 is a wasteful number, since it uses less digits than its factorization.

14391047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 14391047 is about 3793.5533474567. The cubic root of 14391047 is about 243.2376490417.

The spelling of 14391047 in words is "fourteen million, three hundred ninety-one thousand, forty-seven".

Divisors: 1 11 29 197 229 319 2167 2519 5713 6641 45113 62843 73051 496243 1308277 14391047