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14222649 = 37719539
BaseRepresentation
bin110110010000…
…010100111001
3222202120210210
4312100110321
512120111044
61224501333
7231614310
oct66202471
928676723
1014222649
118034761
12491a849
132c3c88c
141c63277
1513ae1b9
hexd90539

14222649 has 16 divisors (see below), whose sum is σ = 21980160. Its totient is φ = 8011920.

The previous prime is 14222641. The next prime is 14222653. The reversal of 14222649 is 94622241.

It is not a de Polignac number, because 14222649 - 23 = 14222641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14222641) 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 15 ways as a sum of consecutive naturals, for example, 3279 + ... + 6260.

It is an arithmetic number, because the mean of its divisors is an integer number (1373760).

Almost surely, 214222649 is an apocalyptic number.

It is an amenable number.

14222649 is a deficient number, since it is larger than the sum of its proper divisors (7757511).

14222649 is an equidigital number, since it uses as much as digits as its factorization.

14222649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620.

The product of its digits is 6912, while the sum is 30.

The square root of 14222649 is about 3771.2927491777. The cubic root of 14222649 is about 242.2851691451.

It can be divided in two parts, 142 and 22649, that added together give a triangular number (22791 = T213).

The spelling of 14222649 in words is "fourteen million, two hundred twenty-two thousand, six hundred forty-nine".

Divisors: 1 3 7 21 71 213 497 1491 9539 28617 66773 200319 677269 2031807 4740883 14222649