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2820164 = 221767619
BaseRepresentation
bin1010110000100001000100
312022021112112
422300201010
51210221124
6140240152
732654024
oct12604104
95267475
102820164
111656916
12b40058
13779849
14535a84
153aa90e
hex2b0844

2820164 has 24 divisors (see below), whose sum is σ = 5312160. Its totient is φ = 1305216.

The previous prime is 2820131. The next prime is 2820179. The reversal of 2820164 is 4610282.

2820164 = T256 + T257 + ... + T322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (221340).

22820164 is an apocalyptic number.

It is an amenable number.

2820164 is a deficient number, since it is larger than the sum of its proper divisors (2491996).

2820164 is a wasteful number, since it uses less digits than its factorization.

2820164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2820164 is about 1679.3343919541. The cubic root of 2820164 is about 141.2835031604.

The spelling of 2820164 in words is "two million, eight hundred twenty thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 67 68 134 268 619 1139 1238 2278 2476 4556 10523 21046 41473 42092 82946 165892 705041 1410082 2820164