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13528097 = 111229827
BaseRepresentation
bin110011100110…
…110000100001
3221110022001122
4303212300201
511430344342
61201542025
7222662342
oct63466041
927408048
1013528097
1176aa950
124644915
132a586bb
141b220c9
1512c34d2
hexce6c21

13528097 has 4 divisors (see below), whose sum is σ = 14757936. Its totient is φ = 12298260.

The previous prime is 13528093. The next prime is 13528129. The reversal of 13528097 is 79082531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79082531 = 117189321.

It is a cyclic number.

It is not a de Polignac number, because 13528097 - 22 = 13528093 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (13528093) 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 3 ways as a sum of consecutive naturals, for example, 614903 + ... + 614924.

It is an arithmetic number, because the mean of its divisors is an integer number (3689484).

Almost surely, 213528097 is an apocalyptic number.

It is an amenable number.

13528097 is a deficient number, since it is larger than the sum of its proper divisors (1229839).

13528097 is a wasteful number, since it uses less digits than its factorization.

13528097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229838.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13528097 is about 3678.0561442153. The cubic root of 13528097 is about 238.2752329836.

It can be divided in two parts, 1352 and 8097, that added together give a palindrome (9449).

The spelling of 13528097 in words is "thirteen million, five hundred twenty-eight thousand, ninety-seven".

Divisors: 1 11 1229827 13528097