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8038404 = 22321153383
BaseRepresentation
bin11110101010100000000100
3120010101121200
4132222200010
54024212104
6444142500
7125216403
oct36524004
916111550
108038404
1145a0410
122837a30
131885a6a
1410d363a
15a8bb39
hex7aa804

8038404 has 72 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 2383680.

The previous prime is 8038379. The next prime is 8038409. The reversal of 8038404 is 4048308.

It is not an unprimeable number, because it can be changed into a prime (8038409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20797 + ... + 21179.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 28038404 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 8038404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321856).

8038404 is an abundant number, since it is smaller than the sum of its proper divisors (14605308).

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

8038404 is a wasteful number, since it uses less digits than its factorization.

8038404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8038404 is about 2835.2079288828. The cubic root of 8038404 is about 200.3195225881.

The spelling of 8038404 in words is "eight million, thirty-eight thousand, four hundred four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 53 66 99 106 132 159 198 212 318 383 396 477 583 636 766 954 1149 1166 1532 1749 1908 2298 2332 3447 3498 4213 4596 5247 6894 6996 8426 10494 12639 13788 16852 20299 20988 25278 37917 40598 50556 60897 75834 81196 121794 151668 182691 223289 243588 365382 446578 669867 730764 893156 1339734 2009601 2679468 4019202 8038404