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242500425 = 3523233339
BaseRepresentation
bin11100111010001…
…00001101001001
3121220022022001020
432131010031021
5444040003200
640021343053
76003135216
oct1635041511
9556268036
10242500425
11114981182
1269267a89
133b317c9b
14242c6b0d
1516451ea0
hexe744349

242500425 has 12 divisors (see below), whose sum is σ = 400934160. Its totient is φ = 129333520.

The previous prime is 242500397. The next prime is 242500441. The reversal of 242500425 is 524005242.

It is a happy number.

It is not a de Polignac number, because 242500425 - 29 = 242499913 is a prime.

It is a super-2 number, since 2×2425004252 = 117612912250361250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242500395 and 242500404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1616595 + ... + 1616744.

It is an arithmetic number, because the mean of its divisors is an integer number (33411180).

Almost surely, 2242500425 is an apocalyptic number.

242500425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242500425 is a deficient number, since it is larger than the sum of its proper divisors (158433735).

242500425 is a wasteful number, since it uses less digits than its factorization.

242500425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233352 (or 3233347 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 242500425 is about 15572.4251483191. The cubic root of 242500425 is about 623.5972165399.

Adding to 242500425 its reverse (524005242), we get a palindrome (766505667).

The spelling of 242500425 in words is "two hundred forty-two million, five hundred thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 3233339 9700017 16166695 48500085 80833475 242500425