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242004213 = 3311814829
BaseRepresentation
bin11100110110010…
…11000011110101
3121212101002101000
432123023003311
5443423113323
640002553513
75666000433
oct1633130365
9555332330
10242004213
11114672390
1269068899
133b1a3179
14241d7d53
15163a4e43
hexe6cb0f5

242004213 has 16 divisors (see below), whose sum is σ = 391118400. Its totient is φ = 146669040.

The previous prime is 242004211. The next prime is 242004221. The reversal of 242004213 is 312400242.

242004213 is a `hidden beast` number, since 242 + 0 + 0 + 421 + 3 = 666.

It is not a de Polignac number, because 242004213 - 21 = 242004211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242004211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407118 + ... + 407711.

It is an arithmetic number, because the mean of its divisors is an integer number (24444900).

Almost surely, 2242004213 is an apocalyptic number.

It is an amenable number.

242004213 is a deficient number, since it is larger than the sum of its proper divisors (149114187).

242004213 is a wasteful number, since it uses less digits than its factorization.

242004213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814849 (or 814843 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 242004213 is about 15556.4845964633. The cubic root of 242004213 is about 623.1715846786.

Adding to 242004213 its reverse (312400242), we get a palindrome (554404455).

The spelling of 242004213 in words is "two hundred forty-two million, four thousand, two hundred thirteen".

Divisors: 1 3 9 11 27 33 99 297 814829 2444487 7333461 8963119 22000383 26889357 80668071 242004213