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8083040 = 255721031
BaseRepresentation
bin11110110101011001100000
3120012122211212
4132311121200
54032124130
6445125252
7125463500
oct36653140
916178755
108083040
1146209a9
122859828
1318a0184
141105a00
15a99e95
hex7b5660

8083040 has 72 divisors (see below), whose sum is σ = 22235472. Its totient is φ = 2768640.

The previous prime is 8083021. The next prime is 8083063. The reversal of 8083040 is 403808.

8083040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8082997 and 8083015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7325 + ... + 8355.

It is an arithmetic number, because the mean of its divisors is an integer number (308826).

Almost surely, 28083040 is an apocalyptic number.

8083040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8083040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11117736).

8083040 is an abundant number, since it is smaller than the sum of its proper divisors (14152432).

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

8083040 is a wasteful number, since it uses less digits than its factorization.

8083040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8083040 is about 2843.0687645571. The cubic root of 8083040 is about 200.6896193924.

Adding to 8083040 its product of nonzero digits (768), we get a palindrome (8083808).

Adding to 8083040 its reverse (403808), we get a palindrome (8486848).

The spelling of 8083040 in words is "eight million, eighty-three thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1031 1120 1568 1960 2062 3920 4124 5155 7217 7840 8248 10310 14434 16496 20620 28868 32992 36085 41240 50519 57736 72170 82480 101038 115472 144340 164960 202076 230944 252595 288680 404152 505190 577360 808304 1010380 1154720 1616608 2020760 4041520 8083040