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242444242 = 217233173137
BaseRepresentation
bin11100111001101…
…10011111010010
3121220012102222101
432130312133102
5444031203432
640020231014
76002512345
oct1634663722
9556172871
10242444242
11114942a47
126923b46a
133b2c8541
14242b045c
15164404e7
hexe7367d2

242444242 has 64 divisors (see below), whose sum is σ = 423512064. Its totient is φ = 103403520.

The previous prime is 242444179. The next prime is 242444243.

242444242 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 242444242.

It is not an unprimeable number, because it can be changed into a prime (242444243) 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 31 ways as a sum of consecutive naturals, for example, 1769598 + ... + 1769734.

It is an arithmetic number, because the mean of its divisors is an integer number (6617376).

Almost surely, 2242444242 is an apocalyptic number.

242444242 is a deficient number, since it is larger than the sum of its proper divisors (181067822).

242444242 is a wasteful number, since it uses less digits than its factorization.

242444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its digits is 16384, while the sum is 28.

The square root of 242444242 is about 15570.6211179901. The cubic root of 242444242 is about 623.5490540560.

The spelling of 242444242 in words is "two hundred forty-two million, four hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 17 23 31 34 46 62 73 137 146 274 391 527 713 782 1054 1241 1426 1679 2263 2329 2482 3151 3358 4247 4526 4658 6302 8494 10001 12121 20002 24242 28543 38471 52049 53567 57086 72199 76942 97681 104098 107134 144398 170017 195362 230023 310031 340034 460046 620062 884833 1660577 1769666 3321154 3910391 5270527 7130713 7820782 10541054 14261426 121222121 242444242