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828240853 = 11893972131
BaseRepresentation
bin110001010111011…
…111001111010101
32010201110222212011
4301113133033111
53144012201403
6214104024221
726344634236
oct6127371725
92121428764
10828240853
1139557a680
121b1462071
1310279025b
147bddb08d
154caa4a6d
hex315df3d5

828240853 has 16 divisors (see below), whose sum is σ = 916418880. Its totient is φ = 742262400.

The previous prime is 828240827. The next prime is 828240863. The reversal of 828240853 is 358042828.

It is not a de Polignac number, because 828240853 - 229 = 291369941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828240863) 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 15 ways as a sum of consecutive naturals, for example, 387598 + ... + 389728.

It is an arithmetic number, because the mean of its divisors is an integer number (57276180).

Almost surely, 2828240853 is an apocalyptic number.

It is an amenable number.

828240853 is a deficient number, since it is larger than the sum of its proper divisors (88178027).

828240853 is a wasteful number, since it uses less digits than its factorization.

828240853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 828240853 is about 28779.1739457546. The cubic root of 828240853 is about 939.1152279069.

The spelling of 828240853 in words is "eight hundred twenty-eight million, two hundred forty thousand, eight hundred fifty-three".

Divisors: 1 11 89 397 979 2131 4367 23441 35333 189659 388663 846007 2086249 9306077 75294623 828240853