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13521052 = 2217198839
BaseRepresentation
bin110011100101…
…000010011100
3221102221101201
4303211002130
511430133202
61201445244
7222632656
oct63450234
927387351
1013521052
1176a5626
124640824
132a5542c
141b1d6d6
1512c1387
hexce509c

13521052 has 12 divisors (see below), whose sum is σ = 25053840. Its totient is φ = 6362816.

The previous prime is 13521043. The next prime is 13521059. The reversal of 13521052 is 25012531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521059) 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, 99352 + ... + 99487.

It is an arithmetic number, because the mean of its divisors is an integer number (2087820).

Almost surely, 213521052 is an apocalyptic number.

It is an amenable number.

13521052 is a deficient number, since it is larger than the sum of its proper divisors (11532788).

13521052 is a wasteful number, since it uses less digits than its factorization.

13521052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198860 (or 198858 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13521052 is about 3677.0983125285. The cubic root of 13521052 is about 238.2338637628.

Adding to 13521052 its reverse (25012531), we get a palindrome (38533583).

The spelling of 13521052 in words is "thirteen million, five hundred twenty-one thousand, fifty-two".

Divisors: 1 2 4 17 34 68 198839 397678 795356 3380263 6760526 13521052