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13425861 = 35637949
BaseRepresentation
bin110011001101…
…110011000101
3221021002211010
4303031303011
511414111421
61155432433
7222055311
oct63156305
927232733
1013425861
117640059
1245b5719
132a20cc7
141ad6b41
1512a3076
hexccdcc5

13425861 has 8 divisors (see below), whose sum is σ = 17935200. Its totient is φ = 8933552.

The previous prime is 13425851. The next prime is 13425877. The reversal of 13425861 is 16852431.

13425861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13425861 - 210 = 13424837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425851) 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 7 ways as a sum of consecutive naturals, for example, 2286 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (2241900).

Almost surely, 213425861 is an apocalyptic number.

It is an amenable number.

13425861 is a deficient number, since it is larger than the sum of its proper divisors (4509339).

13425861 is an equidigital number, since it uses as much as digits as its factorization.

13425861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515.

The product of its digits is 5760, while the sum is 30.

The square root of 13425861 is about 3664.1316843149. The cubic root of 13425861 is about 237.6734747371.

The spelling of 13425861 in words is "thirteen million, four hundred twenty-five thousand, eight hundred sixty-one".

Divisors: 1 3 563 1689 7949 23847 4475287 13425861