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13029825 = 352672593
BaseRepresentation
bin110001101101…
…000111000001
3220111222120010
4301231013001
511313423300
61143135133
7215515554
oct61550701
926458503
1013029825
11739a556
1244444a9
132912973
141a3269b
151225a50
hexc6d1c1

13029825 has 24 divisors (see below), whose sum is σ = 21872608. Its totient is φ = 6842880.

The previous prime is 13029823. The next prime is 13029833. The reversal of 13029825 is 52892031.

It is a happy number.

It is not a de Polignac number, because 13029825 - 21 = 13029823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13029792 and 13029801.

It is not an unprimeable number, because it can be changed into a prime (13029823) 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 23 ways as a sum of consecutive naturals, for example, 3729 + ... + 6321.

Almost surely, 213029825 is an apocalyptic number.

13029825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13029825 is a deficient number, since it is larger than the sum of its proper divisors (8842783).

13029825 is a wasteful number, since it uses less digits than its factorization.

13029825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2668 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13029825 is about 3609.6848892944. The cubic root of 13029825 is about 235.3131482463.

The spelling of 13029825 in words is "thirteen million, twenty-nine thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 67 75 201 335 1005 1675 2593 5025 7779 12965 38895 64825 173731 194475 521193 868655 2605965 4343275 13029825