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8420200 = 235242101
BaseRepresentation
bin100000000111…
…101101101000
3120211210100021
4200013231220
54123421300
6500250224
7131366455
oct40075550
916753307
108420200
114831248
1229a0974
13198a789
14119282c
15b14d1a
hex807b68

8420200 has 24 divisors (see below), whose sum is σ = 19577430. Its totient is φ = 3368000.

The previous prime is 8420197. The next prime is 8420207. The reversal of 8420200 is 20248.

8420200 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7214596 + 1205604 = 2686^2 + 1098^2 .

It is not an unprimeable number, because it can be changed into a prime (8420207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20851 + ... + 21250.

Almost surely, 28420200 is an apocalyptic number.

It is an amenable number.

8420200 is an abundant number, since it is smaller than the sum of its proper divisors (11157230).

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

8420200 is a wasteful number, since it uses less digits than its factorization.

8420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42117 (or 42108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 8420200 is about 2901.7580877806. The cubic root of 8420200 is about 203.4420870043.

Adding to 8420200 its reverse (20248), we get a palindrome (8440448).

The spelling of 8420200 in words is "eight million, four hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 42101 84202 168404 210505 336808 421010 842020 1052525 1684040 2105050 4210100 8420200