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828475 = 52311069
BaseRepresentation
bin11001010010000111011
31120002110021
43022100323
5203002400
625431311
710020244
oct3122073
91502407
10828475
1151649a
1233b537
1323012b
14177ccb
1511571a
hexca43b

828475 has 12 divisors (see below), whose sum is σ = 1061440. Its totient is φ = 640800.

The previous prime is 828449. The next prime is 828517. The reversal of 828475 is 574828.

828475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-828475 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 828475.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241 + ... + 1309.

2828475 is an apocalyptic number.

828475 is a deficient number, since it is larger than the sum of its proper divisors (232965).

828475 is a wasteful number, since it uses less digits than its factorization.

828475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1105 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 828475 is about 910.2060206349. The cubic root of 828475 is about 93.9203716778.

The spelling of 828475 in words is "eight hundred twenty-eight thousand, four hundred seventy-five".

Divisors: 1 5 25 31 155 775 1069 5345 26725 33139 165695 828475