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828078055 = 5773324101
BaseRepresentation
bin110001010110110…
…111011111100111
32010201011201112121
4301112313133213
53143441444210
6214100330411
726343355510
oct6126673747
92121151477
10828078055
11395479332
121b13a3a07
1310273411c
147bd97a07
154ca716da
hex315b77e7

828078055 has 16 divisors (see below), whose sum is σ = 1151210304. Its totient is φ = 560044800.

The previous prime is 828078049. The next prime is 828078061. The reversal of 828078055 is 550870828.

It is an interprime number because it is at equal distance from previous prime (828078049) and next prime (828078061).

It is not a de Polignac number, because 828078055 - 25 = 828078023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159496 + ... + 164605.

It is an arithmetic number, because the mean of its divisors is an integer number (71950644).

Almost surely, 2828078055 is an apocalyptic number.

828078055 is a deficient number, since it is larger than the sum of its proper divisors (323132249).

828078055 is a wasteful number, since it uses less digits than its factorization.

828078055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324186.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 828078055 is about 28776.3454072959. The cubic root of 828078055 is about 939.0536934315.

The spelling of 828078055 in words is "eight hundred twenty-eight million, seventy-eight thousand, fifty-five".

Divisors: 1 5 7 35 73 365 511 2555 324101 1620505 2268707 11343535 23659373 118296865 165615611 828078055