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242201289 = 3117339433
BaseRepresentation
bin11100110111110…
…11001011001001
3121212202002201010
432123323023021
5444000420124
640011114133
76000451131
oct1633731311
9555662633
10242201289
11114797460
1269142949
133b241a95
1424249ac1
15163e3529
hexe6fb2c9

242201289 has 8 divisors (see below), whose sum is σ = 352292832. Its totient is φ = 146788640.

The previous prime is 242201279. The next prime is 242201291. The reversal of 242201289 is 982102242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242201289 - 25 = 242201257 is a prime.

It is a super-2 number, since 2×2422012892 = 117322928786523042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242201279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3669684 + ... + 3669749.

It is an arithmetic number, because the mean of its divisors is an integer number (44036604).

Almost surely, 2242201289 is an apocalyptic number.

It is an amenable number.

242201289 is a deficient number, since it is larger than the sum of its proper divisors (110091543).

242201289 is a wasteful number, since it uses less digits than its factorization.

242201289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339447.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 242201289 is about 15562.8175148332. The cubic root of 242201289 is about 623.3406985953.

The spelling of 242201289 in words is "two hundred forty-two million, two hundred one thousand, two hundred eighty-nine".

Divisors: 1 3 11 33 7339433 22018299 80733763 242201289