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242540440430 = 25227245943451
BaseRepresentation
bin1110000111100010001…
…0010110101101101110
3212012001001121222010012
43201320202112231232
512433210323043210
6303231015213222
723344243504451
oct3417042265556
9765031558105
10242540440430
1193951834792
123b00a377212
1319b437c0012
14ba4bc29498
156497ec4305
hex3878896b6e

242540440430 has 32 divisors (see below), whose sum is σ = 438684439680. Its totient is φ = 96547290400.

The previous prime is 242540440409. The next prime is 242540440433. The reversal of 242540440430 is 34044045242.

242540440430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242540440433) 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, 5560205 + ... + 5603655.

It is an arithmetic number, because the mean of its divisors is an integer number (13708888740).

Almost surely, 2242540440430 is an apocalyptic number.

242540440430 is a deficient number, since it is larger than the sum of its proper divisors (196143999250).

242540440430 is a wasteful number, since it uses less digits than its factorization.

242540440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46144.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 242540440430 its reverse (34044045242), we get a palindrome (276584485672).

The spelling of 242540440430 in words is "two hundred forty-two billion, five hundred forty million, four hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 227 454 1135 2270 2459 4918 12295 24590 43451 86902 217255 434510 558193 1116386 2790965 5581930 9863377 19726754 49316885 98633770 106846009 213692018 534230045 1068460090 24254044043 48508088086 121270220215 242540440430