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242426540 = 22512121327
BaseRepresentation
bin11100111001100…
…10001010101100
3121220011112200202
432130302022230
5444030122130
640020013032
76002406626
oct1634621254
9556145622
10242426540
11114930714
1269231178
133b2c0475
14242a7c16
151643a145
hexe7322ac

242426540 has 12 divisors (see below), whose sum is σ = 509095776. Its totient is φ = 96970608.

The previous prime is 242426521. The next prime is 242426599. The reversal of 242426540 is 45624242.

242426540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060644 + ... + 6060683.

It is an arithmetic number, because the mean of its divisors is an integer number (42424648).

Almost surely, 2242426540 is an apocalyptic number.

242426540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242426540 is an abundant number, since it is smaller than the sum of its proper divisors (266669236).

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

242426540 is a wasteful number, since it uses less digits than its factorization.

242426540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121336 (or 12121334 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 242426540 is about 15570.0526652931. The cubic root of 242426540 is about 623.5338775987.

The spelling of 242426540 in words is "two hundred forty-two million, four hundred twenty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 12121327 24242654 48485308 60606635 121213270 242426540