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242653260 = 223597173241
BaseRepresentation
bin11100111011010…
…01100001001100
3121220121001200210
432131221201030
5444104401020
640024522420
76004342623
oct1635514114
9556531623
10242653260
11114a75a93
1269320410
133b36c715
14243266ba
15164823e0
hexe76984c

242653260 has 96 divisors (see below), whose sum is σ = 693266112. Its totient is φ = 63406080.

The previous prime is 242653247. The next prime is 242653261. The reversal of 242653260 is 62356242.

242653260 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (242653261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006740 + ... + 1006980.

It is an arithmetic number, because the mean of its divisors is an integer number (7221522).

Almost surely, 2242653260 is an apocalyptic number.

242653260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242653260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346633056).

242653260 is an abundant number, since it is smaller than the sum of its proper divisors (450612852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242653260 is a wasteful number, since it uses less digits than its factorization.

242653260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 242653260 is about 15577.3316071784. The cubic root of 242653260 is about 623.7281956440.

The spelling of 242653260 in words is "two hundred forty-two million, six hundred fifty-three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 173 194 241 291 346 388 482 485 519 582 692 723 865 964 970 1038 1164 1205 1446 1455 1730 1940 2076 2410 2595 2892 2910 3460 3615 4820 5190 5820 7230 10380 14460 16781 23377 33562 41693 46754 50343 67124 70131 83386 83905 93508 100686 116885 125079 140262 166772 167810 201372 208465 233770 250158 251715 280524 335620 350655 416930 467540 500316 503430 625395 701310 833860 1006860 1250790 1402620 2501580 4044221 8088442 12132663 16176884 20221105 24265326 40442210 48530652 60663315 80884420 121326630 242653260