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804010212 = 22355315607
BaseRepresentation
bin101111111011000…
…011100011100100
32002000212221200000
4233323003203210
53121311311322
6211440421300
725631655045
oct5773034344
92060787600
10804010212
1138292a855
121a5317830
13ca7582b5
1478ad08cc
154a8ba3ac
hex2fec38e4

804010212 has 72 divisors (see below), whose sum is σ = 2147535936. Its totient is φ = 262929888.

The previous prime is 804010211. The next prime is 804010253. The reversal of 804010212 is 212010408.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (804010211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43713 + ... + 59319.

It is an arithmetic number, because the mean of its divisors is an integer number (29826888).

Almost surely, 2804010212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073767968).

804010212 is an abundant number, since it is smaller than the sum of its proper divisors (1343525724).

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

804010212 is a wasteful number, since it uses less digits than its factorization.

804010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15665 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 804010212 is about 28355.0738316796. The cubic root of 804010212 is about 929.8663283425.

The spelling of 804010212 in words is "eight hundred four million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 81 106 108 159 162 212 243 318 324 477 486 636 954 972 1431 1908 2862 4293 5724 8586 12879 15607 17172 25758 31214 46821 51516 62428 93642 140463 187284 280926 421389 561852 827171 842778 1264167 1654342 1685556 2481513 2528334 3308684 3792501 4963026 5056668 7444539 7585002 9926052 14889078 15170004 22333617 29778156 44667234 67000851 89334468 134001702 201002553 268003404 402005106 804010212