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13528485 = 335234357
BaseRepresentation
bin110011100110…
…110110100101
3221110022121000
4303212312211
511430402420
61201543513
7222663435
oct63466645
927408530
1013528485
117700173
124644b99
132a58929
141b222c5
1512c3690
hexce6da5

13528485 has 32 divisors (see below), whose sum is σ = 25102080. Its totient is φ = 6899904.

The previous prime is 13528477. The next prime is 13528499. The reversal of 13528485 is 58482531.

It is a happy number.

13528485 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13528485 - 23 = 13528477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (784440).

Almost surely, 213528485 is an apocalyptic number.

13528485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13528485 is a deficient number, since it is larger than the sum of its proper divisors (11573595).

13528485 is a wasteful number, since it uses less digits than its factorization.

13528485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394 (or 4388 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 13528485 is about 3678.1088890896. The cubic root of 13528485 is about 238.2775109563.

The spelling of 13528485 in words is "thirteen million, five hundred twenty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 23 27 45 69 115 135 207 345 621 1035 3105 4357 13071 21785 39213 65355 100211 117639 196065 300633 501055 588195 901899 1503165 2705697 4509495 13528485