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242420325 = 3527557829
BaseRepresentation
bin11100111001100…
…00101001100101
3121220011020011120
432130300221211
5444024422300
640015524153
76002352540
oct1634605145
9556136146
10242420325
11114926a84
1269229659
133b2ba6a4
14242a5857
15164383a0
hexe730a65

242420325 has 48 divisors (see below), whose sum is σ = 459434880. Its totient is φ = 110488320.

The previous prime is 242420317. The next prime is 242420333. The reversal of 242420325 is 523024242.

It is a happy number.

242420325 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 (242420317) and next prime (242420333).

It is not a de Polignac number, because 242420325 - 23 = 242420317 is a prime.

It is a super-2 number, since 2×2424203252 = 117535227946211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242420295 and 242420304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292011 + ... + 292839.

It is an arithmetic number, because the mean of its divisors is an integer number (9571560).

Almost surely, 2242420325 is an apocalyptic number.

242420325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242420325 is a deficient number, since it is larger than the sum of its proper divisors (217014555).

242420325 is a wasteful number, since it uses less digits than its factorization.

242420325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 242420325 is about 15569.8530821585. The cubic root of 242420325 is about 623.5285491170.

Adding to 242420325 its reverse (523024242), we get a palindrome (765444567).

The spelling of 242420325 in words is "two hundred forty-two million, four hundred twenty thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 557 829 1671 2487 2785 3899 4145 5803 8355 11697 12435 13925 17409 19495 20725 29015 41775 58485 62175 87045 97475 145075 292425 435225 461753 1385259 2308765 3232271 6926295 9696813 11543825 16161355 34631475 48484065 80806775 242420325