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425421241 = 779769297
BaseRepresentation
bin11001010110110…
…110100110111001
31002122111122020021
4121112312212321
51332401434431
6110114130441
713354010110
oct3126664671
91078448207
10425421241
111a9159303
12ba580a21
136a1a245b
1440700c77
1527535b11
hex195b69b9

425421241 has 8 divisors (see below), whose sum is σ = 492350720. Its totient is φ = 360030528.

The previous prime is 425421239. The next prime is 425421247. The reversal of 425421241 is 142124524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425421241 - 21 = 425421239 is a prime.

It is a super-3 number, since 3×4254212413 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425421247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384096 + ... + 385201.

It is an arithmetic number, because the mean of its divisors is an integer number (61543840).

Almost surely, 2425421241 is an apocalyptic number.

It is an amenable number.

425421241 is a deficient number, since it is larger than the sum of its proper divisors (66929479).

425421241 is an equidigital number, since it uses as much as digits as its factorization.

425421241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769383.

The product of its digits is 2560, while the sum is 25.

The square root of 425421241 is about 20625.7421927067. The cubic root of 425421241 is about 752.0956152236.

Adding to 425421241 its reverse (142124524), we get a palindrome (567545765).

The spelling of 425421241 in words is "four hundred twenty-five million, four hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 7 79 553 769297 5385079 60774463 425421241