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242386753 = 734626679
BaseRepresentation
bin11100111001010…
…00011101000001
3121220002112010011
432130220131001
5444022334003
640015104521
76002152630
oct1634503501
9556075104
10242386753
11114903834
1269212141
133b2a831b
1424297517
151642d46d
hexe728741

242386753 has 4 divisors (see below), whose sum is σ = 277013440. Its totient is φ = 207760068.

The previous prime is 242386751. The next prime is 242386757. The reversal of 242386753 is 357683242.

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 242386753 - 21 = 242386751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242386751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17313333 + ... + 17313346.

It is an arithmetic number, because the mean of its divisors is an integer number (69253360).

Almost surely, 2242386753 is an apocalyptic number.

It is an amenable number.

242386753 is a deficient number, since it is larger than the sum of its proper divisors (34626687).

242386753 is an equidigital number, since it uses as much as digits as its factorization.

242386753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34626686.

The product of its digits is 241920, while the sum is 40.

The square root of 242386753 is about 15568.7749357488. The cubic root of 242386753 is about 623.4997643100.

The spelling of 242386753 in words is "two hundred forty-two million, three hundred eighty-six thousand, seven hundred fifty-three".

Divisors: 1 7 34626679 242386753