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828080308 = 221131607097
BaseRepresentation
bin110001010110111…
…000000010110100
32010201011211122001
4301112320002310
53143442032213
6214100345044
726343365206
oct6126700264
92121154561
10828080308
1139547aaa0
121b13a5184
13102735163
147bd98776
154ca721dd
hex315b80b4

828080308 has 24 divisors (see below), whose sum is σ = 1631879424. Its totient is φ = 364257600.

The previous prime is 828080299. The next prime is 828080311. The reversal of 828080308 is 803080828.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302185 + ... + 304912.

It is an arithmetic number, because the mean of its divisors is an integer number (67994976).

Almost surely, 2828080308 is an apocalyptic number.

It is an amenable number.

828080308 is a deficient number, since it is larger than the sum of its proper divisors (803799116).

828080308 is a wasteful number, since it uses less digits than its factorization.

828080308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607143 (or 607141 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 828080308 is about 28776.3845540054. The cubic root of 828080308 is about 939.0545450767.

It can be divided in two parts, 8280 and 80308, that added together give a palindrome (88588).

The spelling of 828080308 in words is "eight hundred twenty-eight million, eighty thousand, three hundred eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 607097 1214194 2428388 6678067 13356134 18820007 26712268 37640014 75280028 207020077 414040154 828080308