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242005630 = 25712811213
BaseRepresentation
bin11100110110010…
…11011001111110
3121212101011022111
432123023121332
5443423140010
640003004234
75666004526
oct1633133176
9555334274
10242005630
11114673459
126906967a
133b1a39c9
14241d8686
15163a558a
hexe6cb67e

242005630 has 32 divisors (see below), whose sum is σ = 443683008. Its totient is φ = 95020800.

The previous prime is 242005571. The next prime is 242005633. The reversal of 242005630 is 36500242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242005633) 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, 198904 + ... + 200116.

It is an arithmetic number, because the mean of its divisors is an integer number (13865094).

Almost surely, 2242005630 is an apocalyptic number.

242005630 is a deficient number, since it is larger than the sum of its proper divisors (201677378).

242005630 is a wasteful number, since it uses less digits than its factorization.

242005630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 242005630 is about 15556.5301401052. The cubic root of 242005630 is about 623.1728009555.

Adding to 242005630 its reverse (36500242), we get a palindrome (278505872).

The spelling of 242005630 in words is "two hundred forty-two million, five thousand, six hundred thirty".

Divisors: 1 2 5 10 71 142 281 355 562 710 1213 1405 2426 2810 6065 12130 19951 39902 86123 99755 172246 199510 340853 430615 681706 861230 1704265 3408530 24200563 48401126 121002815 242005630