Search a number
-
+
241352021 = 509474169
BaseRepresentation
bin11100110001010…
…11110101010101
3121211010221201202
432120223311111
5443241231041
635541002245
75660313131
oct1630536525
9554127652
10241352021
11114267389
12689b3385
133b005361
14240a83c1
15162c6a9b
hexe62bd55

241352021 has 4 divisors (see below), whose sum is σ = 241826700. Its totient is φ = 240877344.

The previous prime is 241351987. The next prime is 241352029. The reversal of 241352021 is 120253142.

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 123520996 + 117831025 = 11114^2 + 10855^2 .

It is a cyclic number.

It is not a de Polignac number, because 241352021 - 210 = 241350997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 241351984 and 241352002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241352029) 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, 236576 + ... + 237593.

It is an arithmetic number, because the mean of its divisors is an integer number (60456675).

Almost surely, 2241352021 is an apocalyptic number.

It is an amenable number.

241352021 is a deficient number, since it is larger than the sum of its proper divisors (474679).

241352021 is an equidigital number, since it uses as much as digits as its factorization.

241352021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474678.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 241352021 is about 15535.5083920675. The cubic root of 241352021 is about 622.6112732597.

The spelling of 241352021 in words is "two hundred forty-one million, three hundred fifty-two thousand, twenty-one".

Divisors: 1 509 474169 241352021