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827869460 = 225113763043
BaseRepresentation
bin110001010110000…
…100100100010100
32010200210010101212
4301112010210110
53143413310320
6214052040552
726341526405
oct6126044424
92120703355
10827869460
11395346640
121b1303158
131026901b2
147bd419ac
154ca2e9c5
hex31584914

827869460 has 24 divisors (see below), whose sum is σ = 1896574176. Its totient is φ = 301043360.

The previous prime is 827869459. The next prime is 827869513. The reversal of 827869460 is 64968728.

It is a junction number, because it is equal to n+sod(n) for n = 827869399 and 827869408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881302 + ... + 1881741.

It is an arithmetic number, because the mean of its divisors is an integer number (79023924).

Almost surely, 2827869460 is an apocalyptic number.

It is an amenable number.

827869460 is an abundant number, since it is smaller than the sum of its proper divisors (1068704716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

827869460 is a wasteful number, since it uses less digits than its factorization.

827869460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763063 (or 3763061 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 827869460 is about 28772.7207611654. The cubic root of 827869460 is about 938.9748367932.

The spelling of 827869460 in words is "eight hundred twenty-seven million, eight hundred sixty-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 3763043 7526086 15052172 18815215 37630430 41393473 75260860 82786946 165573892 206967365 413934730 827869460