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13475128 = 235928549
BaseRepresentation
bin110011011001…
…110100111000
3221100121101211
4303121310320
511422201003
61200452504
7222352042
oct63316470
927317354
1013475128
117674077
12461a134
132a3a564
141b0aa92
1512b296d
hexcd9d38

13475128 has 16 divisors (see below), whose sum is σ = 25695000. Its totient is φ = 6623136.

The previous prime is 13475087. The next prime is 13475129. The reversal of 13475128 is 82157431.

It is a self number, because there is not a number n which added to its sum of digits gives 13475128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475129) 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 3 ways as a sum of consecutive naturals, for example, 13803 + ... + 14746.

Almost surely, 213475128 is an apocalyptic number.

It is an amenable number.

13475128 is a deficient number, since it is larger than the sum of its proper divisors (12219872).

13475128 is a wasteful number, since it uses less digits than its factorization.

13475128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28614 (or 28610 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 13475128 is about 3670.8484032986. The cubic root of 13475128 is about 237.9638388673.

The spelling of 13475128 in words is "thirteen million, four hundred seventy-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 59 118 236 472 28549 57098 114196 228392 1684391 3368782 6737564 13475128