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2828172 = 2232310247
BaseRepresentation
bin1010110010011110001100
312022200112010
422302132030
51211000142
6140341220
733016254
oct12623614
95280463
102828172
111661936
12b44810
13780399
14538964
153ace9c
hex2b278c

2828172 has 24 divisors (see below), whose sum is σ = 6886656. Its totient is φ = 901648.

The previous prime is 2828141. The next prime is 2828173. The reversal of 2828172 is 2718282.

It is a happy number.

2828172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×28281723 = 67863883669019233344, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2828173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4848 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (286944).

22828172 is an apocalyptic number.

It is an amenable number.

2828172 is an abundant number, since it is smaller than the sum of its proper divisors (4058484).

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

2828172 is a wasteful number, since it uses less digits than its factorization.

2828172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10277 (or 10275 counting only the distinct ones).

The product of its digits is 3584, while the sum is 30.

The square root of 2828172 is about 1681.7169797561. The cubic root of 2828172 is about 141.4171040304.

The spelling of 2828172 in words is "two million, eight hundred twenty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 10247 20494 30741 40988 61482 122964 235681 471362 707043 942724 1414086 2828172