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828078053 = 1175279823
BaseRepresentation
bin110001010110110…
…111011111100101
32010201011201112112
4301112313133211
53143441444203
6214100330405
726343355505
oct6126673745
92121151475
10828078053
11395479330
121b13a3a05
1310273411a
147bd97a05
154ca716d8
hex315b77e5

828078053 has 4 divisors (see below), whose sum is σ = 903357888. Its totient is φ = 752798220.

The previous prime is 828078049. The next prime is 828078061. The reversal of 828078053 is 350870828.

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 828078053 - 22 = 828078049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 828078053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828078023) 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, 37639901 + ... + 37639922.

It is an arithmetic number, because the mean of its divisors is an integer number (225839472).

Almost surely, 2828078053 is an apocalyptic number.

It is an amenable number.

828078053 is a deficient number, since it is larger than the sum of its proper divisors (75279835).

828078053 is a wasteful number, since it uses less digits than its factorization.

828078053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75279834.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 828078053 is about 28776.3453725451. The cubic root of 828078053 is about 939.0536926755.

The spelling of 828078053 in words is "eight hundred twenty-eight million, seventy-eight thousand, fifty-three".

Divisors: 1 11 75279823 828078053