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242016213 = 3337239383
BaseRepresentation
bin11100110110011…
…01111111010101
3121212101200211110
432123031333111
5443424004323
640003125233
75666050425
oct1633157725
9555350743
10242016213
111146803aa
1269073819
133b1a877a
14241dc485
15163a8793
hexe6cdfd5

242016213 has 8 divisors (see below), whose sum is σ = 323647168. Its totient is φ = 160864704.

The previous prime is 242016211. The next prime is 242016221. The reversal of 242016213 is 312610242.

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

It is not a de Polignac number, because 242016213 - 21 = 242016211 is a prime.

It is a super-2 number, since 2×2420162132 = 117143694709722738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242016213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242016211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118681 + ... + 120702.

It is an arithmetic number, because the mean of its divisors is an integer number (40455896).

Almost surely, 2242016213 is an apocalyptic number.

It is an amenable number.

242016213 is a deficient number, since it is larger than the sum of its proper divisors (81630955).

242016213 is a wasteful number, since it uses less digits than its factorization.

242016213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239723.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 242016213 is about 15556.8702829329. The cubic root of 242016213 is about 623.1818846858.

Adding to 242016213 its reverse (312610242), we get a palindrome (554626455).

The spelling of 242016213 in words is "two hundred forty-two million, sixteen thousand, two hundred thirteen".

Divisors: 1 3 337 1011 239383 718149 80672071 242016213