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20241361 = 72413089
BaseRepresentation
bin100110100110…
…1101111010001
31102002100221001
41031031233101
520140210421
62001502001
7334022500
oct115155721
942070831
1020241361
11104756a8
126941901
13426924a
14298c837
151b9c691
hex134dbd1

20241361 has 6 divisors (see below), whose sum is σ = 23546130. Its totient is φ = 17349696.

The previous prime is 20241343. The next prime is 20241383. The reversal of 20241361 is 16314202.

It can be written as a sum of positive squares in only one way, i.e., 18653761 + 1587600 = 4319^2 + 1260^2 .

It is not a de Polignac number, because 20241361 - 25 = 20241329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20241341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206496 + ... + 206593.

It is an arithmetic number, because the mean of its divisors is an integer number (3924355).

Almost surely, 220241361 is an apocalyptic number.

It is an amenable number.

20241361 is a deficient number, since it is larger than the sum of its proper divisors (3304769).

20241361 is an equidigital number, since it uses as much as digits as its factorization.

20241361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413103 (or 413096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20241361 is about 4499.0400087130. The cubic root of 20241361 is about 272.5293226589.

Adding to 20241361 its reverse (16314202), we get a palindrome (36555563).

It can be divided in two parts, 20241 and 361, that added together give a palindrome (20602).

The spelling of 20241361 in words is "twenty million, two hundred forty-one thousand, three hundred sixty-one".

Divisors: 1 7 49 413089 2891623 20241361