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13919041 = 61228181
BaseRepresentation
bin110101000110…
…001101000001
3222012011100001
4311012031001
512030402131
61214200001
7226211203
oct65061501
928164301
1013919041
117947644
1247b3001
132b64626
141bc4773
15134e261
hexd46341

13919041 has 4 divisors (see below), whose sum is σ = 14147284. Its totient is φ = 13690800.

The previous prime is 13919033. The next prime is 13919047. The reversal of 13919041 is 14091931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5157441 + 8761600 = 2271^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 13919041 - 23 = 13919033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13919047) 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, 114030 + ... + 114151.

It is an arithmetic number, because the mean of its divisors is an integer number (3536821).

Almost surely, 213919041 is an apocalyptic number.

It is an amenable number.

13919041 is a deficient number, since it is larger than the sum of its proper divisors (228243).

13919041 is an equidigital number, since it uses as much as digits as its factorization.

13919041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228242.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 13919041 is about 3730.8230995318. The cubic root of 13919041 is about 240.5487501361.

The spelling of 13919041 in words is "thirteen million, nine hundred nineteen thousand, forty-one".

Divisors: 1 61 228181 13919041