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528455428 = 22313422089
BaseRepresentation
bin11111011111111…
…001011100000100
31100211101022120021
4133133321130010
52040241033203
6124234344524
716044540244
oct3737713404
91324338507
10528455428
11251332426
12128b8b144
1385639027
1450281b24
15315d95bd
hex1f7f9704

528455428 has 12 divisors (see below), whose sum is σ = 927753820. Its totient is φ = 263382912.

The previous prime is 528455407. The next prime is 528455467. The reversal of 528455428 is 824554825.

It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 516289284 = 3488^2 + 22722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209793 + ... + 212296.

Almost surely, 2528455428 is an apocalyptic number.

It is an amenable number.

528455428 is a deficient number, since it is larger than the sum of its proper divisors (399298392).

528455428 is a wasteful number, since it uses less digits than its factorization.

528455428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422406 (or 422404 counting only the distinct ones).

The product of its digits is 512000, while the sum is 43.

The square root of 528455428 is about 22988.1584299395. The cubic root of 528455428 is about 808.4803229299.

The spelling of 528455428 in words is "five hundred twenty-eight million, four hundred fifty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 313 626 1252 422089 844178 1688356 132113857 264227714 528455428