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804964985 = 511711391483
BaseRepresentation
bin101111111110101…
…100101001111001
32002002200110100222
4233332230221321
53122032334420
6211513105425
725643042456
oct5776545171
92062613328
10804964985
11383422120
121a56b8275
13caa00a56
1478c9c82d
154aa08225
hex2ffaca79

804964985 has 32 divisors (see below), whose sum is σ = 1077027840. Its totient is φ = 572644800.

The previous prime is 804964957. The next prime is 804965023. The reversal of 804964985 is 589469408.

It is a happy number.

It is not a de Polignac number, because 804964985 - 26 = 804964921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542054 + ... + 543536.

It is an arithmetic number, because the mean of its divisors is an integer number (33657120).

Almost surely, 2804964985 is an apocalyptic number.

It is an amenable number.

804964985 is a deficient number, since it is larger than the sum of its proper divisors (272062855).

804964985 is a wasteful number, since it uses less digits than its factorization.

804964985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 804964985 is about 28371.9048532170. The cubic root of 804964985 is about 930.2342590201.

The spelling of 804964985 in words is "eight hundred four million, nine hundred sixty-four thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 71 139 355 695 781 1483 1529 3905 7415 7645 9869 16313 49345 81565 105293 108559 206137 526465 542795 1030685 1158223 2267507 5791115 11337535 14635727 73178635 160992997 804964985