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6870228 = 223572519
BaseRepresentation
bin11010001101010011010100
3110221001011220
4122031103110
53224321403
6403130340
7112252551
oct32152324
913831156
106870228
113972782
1223739b0
131567131
14caba28
1590a953
hex68d4d4

6870228 has 12 divisors (see below), whose sum is σ = 16030560. Its totient is φ = 2290072.

The previous prime is 6870181. The next prime is 6870233. The reversal of 6870228 is 8220786.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286248 + ... + 286271.

It is an arithmetic number, because the mean of its divisors is an integer number (1335880).

Almost surely, 26870228 is an apocalyptic number.

It is an amenable number.

6870228 is an abundant number, since it is smaller than the sum of its proper divisors (9160332).

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

6870228 is a wasteful number, since it uses less digits than its factorization.

6870228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572526 (or 572524 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 6870228 is about 2621.1119777682. Note that the first 3 decimals coincide. The cubic root of 6870228 is about 190.1036184573.

The spelling of 6870228 in words is "six million, eight hundred seventy thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 572519 1145038 1717557 2290076 3435114 6870228