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13628049 = 35385711
BaseRepresentation
bin110011111111…
…001010010001
3221122101011120
4303333022101
511442044144
61204032453
7223556631
oct63771221
927571146
1013628049
117768a56
124692729
132a92046
141b4a6c1
1512e2e19
hexcff291

13628049 has 8 divisors (see below), whose sum is σ = 18513792. Its totient is φ = 8913840.

The previous prime is 13628039. The next prime is 13628059. The reversal of 13628049 is 94082631.

It is an interprime number because it is at equal distance from previous prime (13628039) and next prime (13628059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13628049 - 28 = 13627793 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13628039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42697 + ... + 43014.

It is an arithmetic number, because the mean of its divisors is an integer number (2314224).

Almost surely, 213628049 is an apocalyptic number.

It is an amenable number.

13628049 is a deficient number, since it is larger than the sum of its proper divisors (4885743).

13628049 is an equidigital number, since it uses as much as digits as its factorization.

13628049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85767.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 13628049 is about 3691.6187506296. The cubic root of 13628049 is about 238.8606237896.

The spelling of 13628049 in words is "thirteen million, six hundred twenty-eight thousand, forty-nine".

Divisors: 1 3 53 159 85711 257133 4542683 13628049