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14725321 = 131935869
BaseRepresentation
bin111000001011…
…000011001001
31000201010100021
4320023003021
512232202241
61243340441
7236106652
oct70130311
930633307
1014725321
118348396
124b21721
133087610
141d54529
15145d0d1
hexe0b0c9

14725321 has 8 divisors (see below), whose sum is σ = 15942920. Its totient is φ = 13519872.

The previous prime is 14725309. The next prime is 14725331. The reversal of 14725321 is 12352741.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 436921 + 14288400 = 661^2 + 3780^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14725321 - 215 = 14692553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14725331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (1992865).

Almost surely, 214725321 is an apocalyptic number.

14725321 is the 2216-th hex number.

It is an amenable number.

14725321 is a deficient number, since it is larger than the sum of its proper divisors (1217599).

14725321 is a wasteful number, since it uses less digits than its factorization.

14725321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075.

The product of its digits is 1680, while the sum is 25.

The square root of 14725321 is about 3837.3585967433. The cubic root of 14725321 is about 245.1065536795.

The spelling of 14725321 in words is "fourteen million, seven hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 13 193 2509 5869 76297 1132717 14725321