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828803390 = 252327713009
BaseRepresentation
bin110001011001101…
…000100100111110
32010202112120111212
4301121220210332
53144133202030
6214124044422
726352466262
oct6131504476
92122476455
10828803390
11395924288
121b1693712
1310292930c
147c1060a2
154cb66595
hex3166893e

828803390 has 32 divisors (see below), whose sum is σ = 1562448960. Its totient is φ = 315938304.

The previous prime is 828803357. The next prime is 828803399. The reversal of 828803390 is 93308828.

828803390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828803399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57206 + ... + 70214.

It is an arithmetic number, because the mean of its divisors is an integer number (48826530).

Almost surely, 2828803390 is an apocalyptic number.

828803390 is a deficient number, since it is larger than the sum of its proper divisors (733645570).

828803390 is a wasteful number, since it uses less digits than its factorization.

828803390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 828803390 is about 28788.9456215402. The cubic root of 828803390 is about 939.3277938945.

The spelling of 828803390 in words is "eight hundred twenty-eight million, eight hundred three thousand, three hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 277 554 1385 2770 6371 12742 13009 26018 31855 63710 65045 130090 299207 598414 1496035 2992070 3603493 7206986 18017465 36034930 82880339 165760678 414401695 828803390