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14421225 = 3527132113
BaseRepresentation
bin110111000000…
…110011101001
31000010200012110
4313000303221
512142434400
61233032533
7233402250
oct67006351
930120173
1014421225
11815a975
1249b5749
132cac090
141cb5797
1513ece50
hexdc0ce9

14421225 has 48 divisors (see below), whose sum is σ = 29359232. Its totient is φ = 6082560.

The previous prime is 14421221. The next prime is 14421227. The reversal of 14421225 is 52212441.

14421225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14421225 - 22 = 14421221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (14421221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5769 + ... + 7881.

Almost surely, 214421225 is an apocalyptic number.

14421225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14421225 is an abundant number, since it is smaller than the sum of its proper divisors (14938007).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14421225 is a wasteful number, since it uses less digits than its factorization.

14421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2141 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 14421225 is about 3797.5288017341. The cubic root of 14421225 is about 243.4075533067.

Adding to 14421225 its reverse (52212441), we get a palindrome (66633666).

The spelling of 14421225 in words is "fourteen million, four hundred twenty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 7 13 15 21 25 35 39 65 75 91 105 175 195 273 325 455 525 975 1365 2113 2275 6339 6825 10565 14791 27469 31695 44373 52825 73955 82407 137345 158475 192283 221865 369775 412035 576849 686725 961415 1109325 2060175 2884245 4807075 14421225