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428054841 = 3315853883
BaseRepresentation
bin11001100000111…
…001100100111001
31002211110102212000
4121200321210321
51334040223331
6110250411213
713415256204
oct3140714471
91084412760
10428054841
111aa697a35
12bb430b09
136a8b50b6
1440bc893b
15278a60e6
hex19839939

428054841 has 8 divisors (see below), whose sum is σ = 634155360. Its totient is φ = 285369876.

The previous prime is 428054833. The next prime is 428054843. The reversal of 428054841 is 148450824.

It is not a de Polignac number, because 428054841 - 23 = 428054833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428054796 and 428054805.

It is not an unprimeable number, because it can be changed into a prime (428054843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7926915 + ... + 7926968.

It is an arithmetic number, because the mean of its divisors is an integer number (79269420).

Almost surely, 2428054841 is an apocalyptic number.

It is an amenable number.

428054841 is a deficient number, since it is larger than the sum of its proper divisors (206100519).

428054841 is a wasteful number, since it uses less digits than its factorization.

428054841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15853892 (or 15853886 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 428054841 is about 20689.4862430172. The cubic root of 428054841 is about 753.6443905400.

The spelling of 428054841 in words is "four hundred twenty-eight million, fifty-four thousand, eight hundred forty-one".

Divisors: 1 3 9 27 15853883 47561649 142684947 428054841