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242124501 = 380708167
BaseRepresentation
bin11100110111010…
…00011011010101
3121212121012101010
432123220123111
5443440441001
640005322433
76000011223
oct1633503325
9555535333
10242124501
111147447a3
1269106419
133b215b48
1424229b13
15163ca8d6
hexe6e86d5

242124501 has 4 divisors (see below), whose sum is σ = 322832672. Its totient is φ = 161416332.

The previous prime is 242124499. The next prime is 242124521. The reversal of 242124501 is 105421242.

242124501 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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 not a de Polignac number, because 242124501 - 21 = 242124499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242124521) 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, 40354081 + ... + 40354086.

It is an arithmetic number, because the mean of its divisors is an integer number (80708168).

Almost surely, 2242124501 is an apocalyptic number.

It is an amenable number.

242124501 is a deficient number, since it is larger than the sum of its proper divisors (80708171).

242124501 is an equidigital number, since it uses as much as digits as its factorization.

242124501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80708170.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 242124501 is about 15560.3502852603. The cubic root of 242124501 is about 623.2748165555.

Adding to 242124501 its reverse (105421242), we get a palindrome (347545743).

The spelling of 242124501 in words is "two hundred forty-two million, one hundred twenty-four thousand, five hundred one".

Divisors: 1 3 80708167 242124501