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14739221 = 717294271
BaseRepresentation
bin111000001110…
…011100010101
31000201211102002
4320032130111
512233123341
61243525045
7236165330
oct70163425
930654362
1014739221
118357882
124b29785
133090a43
141d59617
15146229b
hexe0e715

14739221 has 16 divisors (see below), whose sum is σ = 18455040. Its totient is φ = 11477760.

The previous prime is 14739199. The next prime is 14739227. The reversal of 14739221 is 12293741.

14739221 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14739221 - 26 = 14739157 is a prime.

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

It is a Duffinian number.

14739221 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14739227) 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, 1316 + ... + 5586.

It is an arithmetic number, because the mean of its divisors is an integer number (1153440).

Almost surely, 214739221 is an apocalyptic number.

It is an amenable number.

14739221 is a deficient number, since it is larger than the sum of its proper divisors (3715819).

14739221 is a wasteful number, since it uses less digits than its factorization.

14739221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324.

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

The square root of 14739221 is about 3839.1693111922. The cubic root of 14739221 is about 245.1836523869.

The spelling of 14739221 in words is "fourteen million, seven hundred thirty-nine thousand, two hundred twenty-one".

Divisors: 1 7 17 29 119 203 493 3451 4271 29897 72607 123859 508249 867013 2105603 14739221