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13869241 = 21165731
BaseRepresentation
bin110100111010…
…000010111001
3222002122000121
4310322002321
512022303431
61213133241
7225613051
oct64720271
928078017
1013869241
117913191
12478a221
132b47a69
141bb0561
15133e611
hexd3a0b9

13869241 has 4 divisors (see below), whose sum is σ = 13935184. Its totient is φ = 13803300.

The previous prime is 13869239. The next prime is 13869257. The reversal of 13869241 is 14296831.

13869241 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 13869241 - 21 = 13869239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13869197 and 13869206.

It is not an unprimeable number, because it can be changed into a prime (13869641) 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, 32655 + ... + 33076.

It is an arithmetic number, because the mean of its divisors is an integer number (3483796).

Almost surely, 213869241 is an apocalyptic number.

It is an amenable number.

13869241 is a deficient number, since it is larger than the sum of its proper divisors (65943).

13869241 is an equidigital number, since it uses as much as digits as its factorization.

13869241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65942.

The product of its digits is 10368, while the sum is 34.

The square root of 13869241 is about 3724.1429886620. The cubic root of 13869241 is about 240.2615262558.

The spelling of 13869241 in words is "thirteen million, eight hundred sixty-nine thousand, two hundred forty-one".

Divisors: 1 211 65731 13869241