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242585241 = 380861747
BaseRepresentation
bin11100111010110…
…00111010011001
3121220110121101120
432131120322121
5444100211431
640023235453
76003640413
oct1635307231
9556417346
10242585241
11114a29978
12692a8b89
133b347782
14243099b3
151646c196
hexe758e99

242585241 has 4 divisors (see below), whose sum is σ = 323446992. Its totient is φ = 161723492.

The previous prime is 242585237. The next prime is 242585249. The reversal of 242585241 is 142585242.

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 242585241 - 22 = 242585237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242585249) 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, 40430871 + ... + 40430876.

It is an arithmetic number, because the mean of its divisors is an integer number (80861748).

Almost surely, 2242585241 is an apocalyptic number.

It is an amenable number.

242585241 is a deficient number, since it is larger than the sum of its proper divisors (80861751).

242585241 is an equidigital number, since it uses as much as digits as its factorization.

242585241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80861750.

The product of its digits is 25600, while the sum is 33.

The square root of 242585241 is about 15575.1481854909. The cubic root of 242585241 is about 623.6699103732.

Subtracting from 242585241 its reverse (142585242), we obtain a palindrome (99999999).

The spelling of 242585241 in words is "two hundred forty-two million, five hundred eighty-five thousand, two hundred forty-one".

Divisors: 1 3 80861747 242585241