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2828801 = 19314657
BaseRepresentation
bin1010110010101000000001
312022201101102
422302220001
51211010201
6140344145
733021143
oct12625001
95281342
102828801
111662358
12b45055
13780761
14538c93
153ad26b
hex2b2a01

2828801 has 4 divisors (see below), whose sum is σ = 2843652. Its totient is φ = 2813952.

The previous prime is 2828797. The next prime is 2828809. The reversal of 2828801 is 1088282.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2027776 + 801025 = 1424^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828801 - 22 = 2828797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2828809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136 + ... + 7521.

It is an arithmetic number, because the mean of its divisors is an integer number (710913).

22828801 is an apocalyptic number.

It is an amenable number.

2828801 is a deficient number, since it is larger than the sum of its proper divisors (14851).

2828801 is a wasteful number, since it uses less digits than its factorization.

2828801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14850.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2828801 is about 1681.9039806124. The cubic root of 2828801 is about 141.4275872170.

The spelling of 2828801 in words is "two million, eight hundred twenty-eight thousand, eight hundred one".

Divisors: 1 193 14657 2828801