Search a number
-
+
801360 = 24335753
BaseRepresentation
bin11000011101001010000
31111201021000
43003221100
5201120420
625102000
76545220
oct3035120
91451230
10801360
114a808a
12327900
132209a1
1416c080
1510c690
hexc3a50

801360 has 160 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 179712.

The previous prime is 801349. The next prime is 801371. The reversal of 801360 is 63108.

It is an interprime number because it is at equal distance from previous prime (801349) and next prime (801371).

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

It is a congruent number.

It is an unprimeable number.

801360 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15094 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2801360 is an apocalyptic number.

801360 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 801360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

801360 is an abundant number, since it is smaller than the sum of its proper divisors (2412720).

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

801360 is a wasteful number, since it uses less digits than its factorization.

801360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 801360 is about 895.1871312748. The cubic root of 801360 is about 92.8843515645.

801360 divided by its product of nonzero digits (144) gives a triangular number (5565 = T105).

Adding to 801360 its reverse (63108), we get a palindrome (864468).

The spelling of 801360 in words is "eight hundred one thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 53 54 56 60 63 70 72 80 84 90 105 106 108 112 120 126 135 140 144 159 168 180 189 210 212 216 240 252 265 270 280 315 318 336 360 371 378 420 424 432 477 504 530 540 560 630 636 720 742 756 795 840 848 945 954 1008 1060 1080 1113 1260 1272 1431 1484 1512 1590 1680 1855 1890 1908 2120 2160 2226 2385 2520 2544 2862 2968 3024 3180 3339 3710 3780 3816 4240 4452 4770 5040 5565 5724 5936 6360 6678 7155 7420 7560 7632 8904 9540 10017 11130 11448 12720 13356 14310 14840 15120 16695 17808 19080 20034 22260 22896 26712 28620 29680 33390 38160 40068 44520 50085 53424 57240 66780 80136 89040 100170 114480 133560 160272 200340 267120 400680 801360