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805255050 = 235237145091
BaseRepresentation
bin101111111111110…
…011011110001010
32002010020012021010
4233333303132022
53122121130200
6211523224350
725645361235
oct5777633612
92063205233
10805255050
11383600046
121a58180b6
13caaa2aa2
1478d3641c
154aa64150
hex2fff378a

805255050 has 48 divisors (see below), whose sum is σ = 2051020512. Its totient is φ = 208929600.

The previous prime is 805255037. The next prime is 805255051. The reversal of 805255050 is 50552508.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 805254999 and 805255017.

It is not an unprimeable number, because it can be changed into a prime (805255051) 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, 66996 + ... + 78095.

It is an arithmetic number, because the mean of its divisors is an integer number (42729594).

Almost surely, 2805255050 is an apocalyptic number.

805255050 is an abundant number, since it is smaller than the sum of its proper divisors (1245765462).

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

805255050 is a wasteful number, since it uses less digits than its factorization.

805255050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145143 (or 145138 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 805255050 is about 28377.0162279264. The cubic root of 805255050 is about 930.3459806484.

The spelling of 805255050 in words is "eight hundred five million, two hundred fifty-five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 74 75 111 150 185 222 370 555 925 1110 1850 2775 5550 145091 290182 435273 725455 870546 1450910 2176365 3627275 4352730 5368367 7254550 10736734 10881825 16105101 21763650 26841835 32210202 53683670 80525505 134209175 161051010 268418350 402627525 805255050