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242233001 = 283855947
BaseRepresentation
bin11100111000000…
…10111010101001
3121212210201012122
432130002322221
5444002424001
640011521025
76000642443
oct1634027251
9555721178
10242233001
1111480926a
1269159175
133b25334a
1424257493
15163ecb1b
hexe702ea9

242233001 has 4 divisors (see below), whose sum is σ = 243089232. Its totient is φ = 241376772.

The previous prime is 242232997. The next prime is 242233009. The reversal of 242233001 is 100332242.

242233001 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: 100332242 = 250166121.

It is a cyclic number.

It is not a de Polignac number, because 242233001 - 22 = 242232997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242233009) 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, 427691 + ... + 428256.

It is an arithmetic number, because the mean of its divisors is an integer number (60772308).

Almost surely, 2242233001 is an apocalyptic number.

It is an amenable number.

242233001 is a deficient number, since it is larger than the sum of its proper divisors (856231).

242233001 is an equidigital number, since it uses as much as digits as its factorization.

242233001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856230.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242233001 is about 15563.8363201365. The cubic root of 242233001 is about 623.3679025760.

Adding to 242233001 its reverse (100332242), we get a palindrome (342565243).

The spelling of 242233001 in words is "two hundred forty-two million, two hundred thirty-three thousand, one".

Divisors: 1 283 855947 242233001