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2828161 = 73113033
BaseRepresentation
bin1010110010011110000001
312022200111201
422302132001
51211000121
6140341201
733016240
oct12623601
95280451
102828161
111661926
12b44801
1378038b
14538957
153ace91
hex2b2781

2828161 has 8 divisors (see below), whose sum is σ = 3336704. Its totient is φ = 2345760.

The previous prime is 2828141. The next prime is 2828173. The reversal of 2828161 is 1618282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2828161 - 25 = 2828129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6300 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (417088).

22828161 is an apocalyptic number.

It is an amenable number.

2828161 is a deficient number, since it is larger than the sum of its proper divisors (508543).

2828161 is a wasteful number, since it uses less digits than its factorization.

2828161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071.

The product of its digits is 1536, while the sum is 28.

The square root of 2828161 is about 1681.7137092859. The cubic root of 2828161 is about 141.4169206858.

The spelling of 2828161 in words is "two million, eight hundred twenty-eight thousand, one hundred sixty-one".

Divisors: 1 7 31 217 13033 91231 404023 2828161