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8428812 = 2237100343
BaseRepresentation
bin100000001001…
…110100001100
3120212020011020
4200021310030
54124210222
6500354140
7131433540
oct40116414
916766136
108428812
114837767
1229a5950
131991682
141195a20
15b1765c
hex809d0c

8428812 has 24 divisors (see below), whose sum is σ = 22477056. Its totient is φ = 2408208.

The previous prime is 8428811. The next prime is 8428867. The reversal of 8428812 is 2188248.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8428811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50088 + ... + 50255.

It is an arithmetic number, because the mean of its divisors is an integer number (936544).

Almost surely, 28428812 is an apocalyptic number.

It is an amenable number.

8428812 is an abundant number, since it is smaller than the sum of its proper divisors (14048244).

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

8428812 is a wasteful number, since it uses less digits than its factorization.

8428812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100357 (or 100355 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 8428812 is about 2903.2416365160. The cubic root of 8428812 is about 203.5114221062.

The spelling of 8428812 in words is "eight million, four hundred twenty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 100343 200686 301029 401372 602058 702401 1204116 1404802 2107203 2809604 4214406 8428812