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427550441 = 439973919
BaseRepresentation
bin11001011110111…
…110011011101001
31002210111210221112
4121132332123221
51333423103231
6110231520105
713411055513
oct3136763351
91083453845
10427550441
111aa382a7a
12bb229035
136a769636
1440ad6bb3
152780692b
hex197be6e9

427550441 has 4 divisors (see below), whose sum is σ = 428524800. Its totient is φ = 426576084.

The previous prime is 427550411. The next prime is 427550447. The reversal of 427550441 is 144055724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427550441 - 210 = 427549417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427550398 and 427550407.

It is not an unprimeable number, because it can be changed into a prime (427550447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 486521 + ... + 487398.

It is an arithmetic number, because the mean of its divisors is an integer number (107131200).

Almost surely, 2427550441 is an apocalyptic number.

It is an amenable number.

427550441 is a deficient number, since it is larger than the sum of its proper divisors (974359).

427550441 is an equidigital number, since it uses as much as digits as its factorization.

427550441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974358.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 427550441 is about 20677.2928837409. The cubic root of 427550441 is about 753.3482543098.

The spelling of 427550441 in words is "four hundred twenty-seven million, five hundred fifty thousand, four hundred forty-one".

Divisors: 1 439 973919 427550441