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8842420 = 225442121
BaseRepresentation
bin100001101110…
…110010110100
3121122020112001
4201232302310
54230424140
6513305044
7135105436
oct41566264
917566461
108842420
114a9a494
122b65184
131aa7a02
141262656
15b99e9a
hex86ecb4

8842420 has 12 divisors (see below), whose sum is σ = 18569124. Its totient is φ = 3536960.

The previous prime is 8842403. The next prime is 8842453. The reversal of 8842420 is 242488.

8842420 is digitally balanced in base 2, 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 2 ways, for example, as 6687396 + 2155024 = 2586^2 + 1468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221041 + ... + 221080.

It is an arithmetic number, because the mean of its divisors is an integer number (1547427).

Almost surely, 28842420 is an apocalyptic number.

It is an amenable number.

8842420 is an abundant number, since it is smaller than the sum of its proper divisors (9726704).

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

8842420 is a wasteful number, since it uses less digits than its factorization.

8842420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442130 (or 442128 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 8842420 is about 2973.6206886555. The cubic root of 8842420 is about 206.7872287643.

The spelling of 8842420 in words is "eight million, eight hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 442121 884242 1768484 2210605 4421210 8842420