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13201528 = 231650191
BaseRepresentation
bin110010010111…
…000001111000
3220211201002111
4302113001320
511334422103
61150542104
7220132264
oct62270170
926751074
1013201528
1174a755a
124507934
132972b72
141a790a4
15125b86d
hexc97078

13201528 has 8 divisors (see below), whose sum is σ = 24752880. Its totient is φ = 6600760.

The previous prime is 13201511. The next prime is 13201541. The reversal of 13201528 is 82510231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13201499 and 13201508.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 825088 + ... + 825103.

It is an arithmetic number, because the mean of its divisors is an integer number (3094110).

Almost surely, 213201528 is an apocalyptic number.

It is an amenable number.

13201528 is a deficient number, since it is larger than the sum of its proper divisors (11551352).

13201528 is a wasteful number, since it uses less digits than its factorization.

13201528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650197 (or 1650193 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13201528 is about 3633.3907029110. The cubic root of 13201528 is about 236.3422688592.

Adding to 13201528 its reverse (82510231), we get a palindrome (95711759).

The spelling of 13201528 in words is "thirteen million, two hundred one thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 1650191 3300382 6600764 13201528