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242421041 = 1671451623
BaseRepresentation
bin11100111001100…
…00110100110001
3121220011021011002
432130300310301
5444024433131
640015531345
76002354612
oct1634606461
9556137132
10242421041
11114927575
1269229b55
133b2bab05
14242a5c09
15164386cb
hexe730d31

242421041 has 4 divisors (see below), whose sum is σ = 243872832. Its totient is φ = 240969252.

The previous prime is 242421013. The next prime is 242421043. The reversal of 242421041 is 140124242.

242421041 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, and also an emirpimes, since its reverse is a distinct semiprime: 140124242 = 270062121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242421041 is a prime.

It is a super-2 number, since 2×2424210412 = 117535922239047362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242421043) 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, 725645 + ... + 725978.

It is an arithmetic number, because the mean of its divisors is an integer number (60968208).

Almost surely, 2242421041 is an apocalyptic number.

It is an amenable number.

242421041 is a deficient number, since it is larger than the sum of its proper divisors (1451791).

242421041 is a wasteful number, since it uses less digits than its factorization.

242421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451790.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 242421041 is about 15569.8760752936. The cubic root of 242421041 is about 623.5291629902.

Adding to 242421041 its reverse (140124242), we get a palindrome (382545283).

The spelling of 242421041 in words is "two hundred forty-two million, four hundred twenty-one thousand, forty-one".

Divisors: 1 167 1451623 242421041