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800575000 = 2355311033
BaseRepresentation
bin101111101101111…
…100111000011000
32001210102102102221
4233231330320120
53114421400000
6211235033424
725560526621
oct5755747030
92053372387
10800575000
113809a3935
121a413b874
13c9b24824
1478478a48
154a43c61a
hex2fb7ce18

800575000 has 96 divisors (see below), whose sum is σ = 1938625920. Its totient is φ = 309600000.

The previous prime is 800574991. The next prime is 800575003. The reversal of 800575000 is 575008.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800575003) 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, 774484 + ... + 775516.

It is an arithmetic number, because the mean of its divisors is an integer number (20194020).

Almost surely, 2800575000 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 800575000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969312960).

800575000 is an abundant number, since it is smaller than the sum of its proper divisors (1138050920).

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

800575000 is a wasteful number, since it uses less digits than its factorization.

800575000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 800575000 is about 28294.4340816352. The cubic root of 800575000 is about 928.5401229232.

The spelling of 800575000 in words is "eight hundred million, five hundred seventy-five thousand".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 125 155 200 248 250 310 500 620 625 775 1000 1033 1240 1250 1550 2066 2500 3100 3125 3875 4132 5000 5165 6200 6250 7750 8264 10330 12500 15500 19375 20660 25000 25825 31000 32023 38750 41320 51650 64046 77500 96875 103300 128092 129125 155000 160115 193750 206600 256184 258250 320230 387500 516500 640460 645625 775000 800575 1033000 1280920 1291250 1601150 2582500 3202300 3228125 4002875 5165000 6404600 6456250 8005750 12912500 16011500 20014375 25825000 32023000 40028750 80057500 100071875 160115000 200143750 400287500 800575000