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8213084 = 2211732557
BaseRepresentation
bin11111010101001001011100
3120110021020022
4133111021130
54100304314
6452011312
7126544565
oct37251134
916407208
108213084
1146aa680
122900b38
131917419
14113b16c
15ac378e
hex7d525c

8213084 has 24 divisors (see below), whose sum is σ = 15900528. Its totient is φ = 3680640.

The previous prime is 8213071. The next prime is 8213089. The reversal of 8213084 is 4803128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 4490.

It is an arithmetic number, because the mean of its divisors is an integer number (662522).

Almost surely, 28213084 is an apocalyptic number.

It is an amenable number.

8213084 is a deficient number, since it is larger than the sum of its proper divisors (7687444).

8213084 is a wasteful number, since it uses less digits than its factorization.

8213084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8213084 is about 2865.8478675603. The cubic root of 8213084 is about 201.7601636750.

The spelling of 8213084 in words is "eight million, two hundred thirteen thousand, eighty-four".

Divisors: 1 2 4 11 22 44 73 146 292 803 1606 2557 3212 5114 10228 28127 56254 112508 186661 373322 746644 2053271 4106542 8213084