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13466641 = 71189671
BaseRepresentation
bin110011010111…
…110000010001
3221100011202111
4303113300101
511421413031
61200345321
7222315226
oct63276021
927304674
1013466641
117668761
124615241
132a36736
141b0794d
1512b01b1
hexcd7c11

13466641 has 4 divisors (see below), whose sum is σ = 13656384. Its totient is φ = 13276900.

The previous prime is 13466639. The next prime is 13466647. The reversal of 13466641 is 14666431.

13466641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13466641 - 21 = 13466639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13466647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94765 + ... + 94906.

It is an arithmetic number, because the mean of its divisors is an integer number (3414096).

Almost surely, 213466641 is an apocalyptic number.

It is an amenable number.

13466641 is a deficient number, since it is larger than the sum of its proper divisors (189743).

13466641 is an equidigital number, since it uses as much as digits as its factorization.

13466641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189742.

The product of its digits is 10368, while the sum is 31.

The square root of 13466641 is about 3669.6922214268. The cubic root of 13466641 is about 237.9138696883.

The spelling of 13466641 in words is "thirteen million, four hundred sixty-six thousand, six hundred forty-one".

Divisors: 1 71 189671 13466641