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242246643 = 3139957719
BaseRepresentation
bin11100111000001…
…10001111110011
3121212211101220220
432130012033303
5444003343033
640012104123
76001030302
oct1634061763
9555741826
10242246643
11114818541
1269165043
133b259612
142425c439
1516401bb3
hexe7063f3

242246643 has 8 divisors (see below), whose sum is σ = 323232000. Its totient is φ = 161379528.

The previous prime is 242246597. The next prime is 242246647. The reversal of 242246643 is 346642242.

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

It is not a de Polignac number, because 242246643 - 28 = 242246387 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (242246647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24663 + ... + 33056.

It is an arithmetic number, because the mean of its divisors is an integer number (40404000).

Almost surely, 2242246643 is an apocalyptic number.

242246643 is a deficient number, since it is larger than the sum of its proper divisors (80985357).

242246643 is a wasteful number, since it uses less digits than its factorization.

242246643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59121.

The product of its digits is 55296, while the sum is 33.

The square root of 242246643 is about 15564.2745735225. The cubic root of 242246643 is about 623.3796045671.

Adding to 242246643 its reverse (346642242), we get a palindrome (588888885).

The spelling of 242246643 in words is "two hundred forty-two million, two hundred forty-six thousand, six hundred forty-three".

Divisors: 1 3 1399 4197 57719 173157 80748881 242246643