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242422425 = 32527198101
BaseRepresentation
bin11100111001100…
…01001010011001
3121220011100001100
432130301022121
5444030004200
640015542013
76002361630
oct1634611231
9556140040
10242422425
11114928613
126922a909
133b2bb62b
14242a6517
1516438d00
hexe731299

242422425 has 72 divisors (see below), whose sum is σ = 522416960. Its totient is φ = 104976000.

The previous prime is 242422421. The next prime is 242422429. The reversal of 242422425 is 524224242.

242422425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242422421) and next prime (242422429).

It is not a de Polignac number, because 242422425 - 22 = 242422421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242422421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25875 + ... + 33975.

Almost surely, 2242422425 is an apocalyptic number.

242422425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242422425 is an abundant number, since it is smaller than the sum of its proper divisors (279994535).

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

242422425 is a wasteful number, since it uses less digits than its factorization.

242422425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143 (or 8135 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 242422425 is about 15569.9205200284. The cubic root of 242422425 is about 623.5303495796.

Adding to 242422425 its reverse (524224242), we get a palindrome (766646667).

It can be divided in two parts, 2424224 and 25, that added together give a square (2424249 = 15572).

The spelling of 242422425 in words is "two hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 7 9 15 19 21 25 35 45 57 63 75 95 105 133 171 175 225 285 315 399 475 525 665 855 1197 1425 1575 1995 3325 4275 5985 8101 9975 24303 29925 40505 56707 72909 121515 153919 170121 202525 283535 364545 461757 510363 607575 769595 850605 1077433 1385271 1417675 1822725 2308785 2551815 3232299 3847975 4253025 5387165 6926355 9696897 11543925 12759075 16161495 26935825 34631775 48484485 80807475 242422425