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14245521 = 35478681
BaseRepresentation
bin110110010101…
…111010010001
3222210202011220
4312111322101
512121324041
61225155253
7232041063
oct66257221
928722156
1014245521
11804a964
12492bb29
132c4a104
141c6b733
1513b5d66
hexd95e91

14245521 has 8 divisors (see below), whose sum is σ = 19030944. Its totient is φ = 9478560.

The previous prime is 14245501. The next prime is 14245531. The reversal of 14245521 is 12554241.

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

It is not a de Polignac number, because 14245521 - 25 = 14245489 is a prime.

It is a super-2 number, since 2×142455212 = 405869737122882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14245491 and 14245500.

It is not an unprimeable number, because it can be changed into a prime (14245501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (2378868).

Almost surely, 214245521 is an apocalyptic number.

It is an amenable number.

14245521 is a deficient number, since it is larger than the sum of its proper divisors (4785423).

14245521 is an equidigital number, since it uses as much as digits as its factorization.

14245521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231.

The product of its digits is 1600, while the sum is 24.

The square root of 14245521 is about 3774.3239129677. The cubic root of 14245521 is about 242.4149756838.

Adding to 14245521 its reverse (12554241), we get a palindrome (26799762).

The spelling of 14245521 in words is "fourteen million, two hundred forty-five thousand, five hundred twenty-one".

Divisors: 1 3 547 1641 8681 26043 4748507 14245521