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408096 = 253213109
BaseRepresentation
bin1100011101000100000
3202201210200
41203220200
5101024341
612425200
73316533
oct1435040
9681720
10408096
11259677
12178200
131139a0
14a8a1a
1580db6
hex63a20

408096 has 72 divisors (see below), whose sum is σ = 1261260. Its totient is φ = 124416.

The previous prime is 408091. The next prime is 408127. The reversal of 408096 is 690804.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 3600 = 636^2 + 60^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (408091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3690 + ... + 3798.

2408096 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 408096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630630).

408096 is an abundant number, since it is smaller than the sum of its proper divisors (853164).

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

408096 is a wasteful number, since it uses less digits than its factorization.

408096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 408096 is about 638.8239194019. The cubic root of 408096 is about 74.1744120739.

The spelling of 408096 in words is "four hundred eight thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 109 117 144 156 208 218 234 288 312 327 416 436 468 624 654 872 936 981 1248 1308 1417 1744 1872 1962 2616 2834 3488 3744 3924 4251 5232 5668 7848 8502 10464 11336 12753 15696 17004 22672 25506 31392 34008 45344 51012 68016 102024 136032 204048 408096