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242497049 = 563430723
BaseRepresentation
bin11100111010000…
…11011000011001
3121220022010102012
432131003120121
5444034401144
640021315305
76003122324
oct1635033031
9556263365
10242497049
11114979693
1269265b35
133b3165a2
14242c57bb
1516450e9e
hexe743619

242497049 has 4 divisors (see below), whose sum is σ = 242928336. Its totient is φ = 242065764.

The previous prime is 242497007. The next prime is 242497067. The reversal of 242497049 is 940794242.

242497049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242497049 - 224 = 225719833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242496997 and 242497015.

It is not an unprimeable number, because it can be changed into a prime (242497069) 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, 214799 + ... + 215924.

It is an arithmetic number, because the mean of its divisors is an integer number (60732084).

Almost surely, 2242497049 is an apocalyptic number.

It is an amenable number.

242497049 is a deficient number, since it is larger than the sum of its proper divisors (431287).

242497049 is an equidigital number, since it uses as much as digits as its factorization.

242497049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431286.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 242497049 is about 15572.3167512095. The cubic root of 242497049 is about 623.5943226976.

The spelling of 242497049 in words is "two hundred forty-two million, four hundred ninety-seven thousand, forty-nine".

Divisors: 1 563 430723 242497049