Search a number
-
+
683804072 = 23719642673
BaseRepresentation
bin101000110000100…
…000010110101000
31202122200211211202
4220300200112220
52400023212242
6151504143332
722642144610
oct5060402650
91678624752
10683804072
11320a98136
12171007b48
13ab88b5c3
1466b5da40
1540073932
hex28c205a8

683804072 has 32 divisors (see below), whose sum is σ = 1542417600. Its totient is φ = 277634304.

The previous prime is 683804059. The next prime is 683804087. The reversal of 683804072 is 270408386.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320273 + ... + 322400.

It is an arithmetic number, because the mean of its divisors is an integer number (48200550).

Almost surely, 2683804072 is an apocalyptic number.

It is an amenable number.

683804072 is an abundant number, since it is smaller than the sum of its proper divisors (858613528).

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

683804072 is a wasteful number, since it uses less digits than its factorization.

683804072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642705 (or 642701 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 683804072 is about 26149.6476458097. The cubic root of 683804072 is about 881.0026759831.

The spelling of 683804072 in words is "six hundred eighty-three million, eight hundred four thousand, seventy-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 642673 1285346 2570692 4498711 5141384 8997422 12210787 17994844 24421574 35989688 48843148 85475509 97686296 170951018 341902036 683804072