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242610040 = 23527122381
BaseRepresentation
bin11100111010111…
…10111101111000
3121220111212102001
432131132331320
5444102010130
640023550344
76004102621
oct1635367570
9556455361
10242610040
11114a46572
12692bb3b4
133b355b4a
1424314a48
15164746ca
hexe75ef78

242610040 has 32 divisors (see below), whose sum is σ = 547911360. Its totient is φ = 96681600.

The previous prime is 242610037. The next prime is 242610083. The reversal of 242610040 is 40016242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (17122230).

Almost surely, 2242610040 is an apocalyptic number.

242610040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242610040 is an abundant number, since it is smaller than the sum of its proper divisors (305301320).

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

242610040 is a wasteful number, since it uses less digits than its factorization.

242610040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22663 (or 22659 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242610040 is about 15575.9442731412. The cubic root of 242610040 is about 623.6911618215.

Adding to 242610040 its reverse (40016242), we get a palindrome (282626282).

The spelling of 242610040 in words is "two hundred forty-two million, six hundred ten thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 271 542 1084 1355 2168 2710 5420 10840 22381 44762 89524 111905 179048 223810 447620 895240 6065251 12130502 24261004 30326255 48522008 60652510 121305020 242610040