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17248121 = 113150581
BaseRepresentation
bin100000111001…
…0111101111001
31012110021222022
41001302331321
513403414441
61413404225
7266415032
oct101627571
935407868
1017248121
119810850
125939675
13375b9b7
14240da89
1517aa84b
hex1072f79

17248121 has 8 divisors (see below), whose sum is σ = 19423488. Its totient is φ = 15174000.

The previous prime is 17248057. The next prime is 17248123. The reversal of 17248121 is 12184271.

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

It is a cyclic number.

It is not a de Polignac number, because 17248121 - 26 = 17248057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17248123) 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, 24950 + ... + 25631.

It is an arithmetic number, because the mean of its divisors is an integer number (2427936).

Almost surely, 217248121 is an apocalyptic number.

17248121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17248121 is a deficient number, since it is larger than the sum of its proper divisors (2175367).

17248121 is a wasteful number, since it uses less digits than its factorization.

17248121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50623.

The product of its digits is 896, while the sum is 26.

The square root of 17248121 is about 4153.0857202808. The cubic root of 17248121 is about 258.3730806225.

The spelling of 17248121 in words is "seventeen million, two hundred forty-eight thousand, one hundred twenty-one".

Divisors: 1 11 31 341 50581 556391 1568011 17248121