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13245790 = 251324579
BaseRepresentation
bin110010100001…
…110101011110
3220220221210211
4302201311132
511342331130
61151523034
7220405315
oct62416536
926827724
1013245790
117527838
12452947a
13298a05c
141a8b27c
151269a2a
hexca1d5e

13245790 has 8 divisors (see below), whose sum is σ = 23842440. Its totient is φ = 5298312.

The previous prime is 13245731. The next prime is 13245809. The reversal of 13245790 is 9754231.

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

It is a congruent number.

It is an unprimeable number.

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, 662280 + ... + 662299.

It is an arithmetic number, because the mean of its divisors is an integer number (2980305).

Almost surely, 213245790 is an apocalyptic number.

13245790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13245790 is a deficient number, since it is larger than the sum of its proper divisors (10596650).

13245790 is a wasteful number, since it uses less digits than its factorization.

13245790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324586.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13245790 is about 3639.4766107230. The cubic root of 13245790 is about 236.6061098343.

The spelling of 13245790 in words is "thirteen million, two hundred forty-five thousand, seven hundred ninety".

Divisors: 1 2 5 10 1324579 2649158 6622895 13245790