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242101133 = 419577807
BaseRepresentation
bin11100110111000…
…10101110001101
3121212120000022122
432123202232031
5443434214013
640005022325
75666553131
oct1633425615
9555500278
10242101133
1111472918a
12690b49a5
133b208311
14242213c1
15163c3a08
hexe6e2b8d

242101133 has 4 divisors (see below), whose sum is σ = 242679360. Its totient is φ = 241522908.

The previous prime is 242101127. The next prime is 242101157. The reversal of 242101133 is 331101242.

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 242101133 - 24 = 242101117 is a prime.

It is a super-2 number, since 2×2421011332 = 117225917199767378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242101163) 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, 288485 + ... + 289322.

It is an arithmetic number, because the mean of its divisors is an integer number (60669840).

Almost surely, 2242101133 is an apocalyptic number.

It is an amenable number.

242101133 is a deficient number, since it is larger than the sum of its proper divisors (578227).

242101133 is an equidigital number, since it uses as much as digits as its factorization.

242101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578226.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 242101133 is about 15559.5993843029. The cubic root of 242101133 is about 623.2547646753.

Adding to 242101133 its reverse (331101242), we get a palindrome (573202375).

The spelling of 242101133 in words is "two hundred forty-two million, one hundred one thousand, one hundred thirty-three".

Divisors: 1 419 577807 242101133