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2828201 = 7093989
BaseRepresentation
bin1010110010011110101001
312022200120012
422302132221
51211000301
6140341305
733016325
oct12623651
95280505
102828201
111661962
12b44835
137803bc
14538985
153acebb
hex2b27a9

2828201 has 4 divisors (see below), whose sum is σ = 2832900. Its totient is φ = 2823504.

The previous prime is 2828197. The next prime is 2828209. The reversal of 2828201 is 1028282.

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 811801 + 2016400 = 901^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828201 - 22 = 2828197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2828209) 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, 1286 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (708225).

22828201 is an apocalyptic number.

It is an amenable number.

2828201 is a deficient number, since it is larger than the sum of its proper divisors (4699).

2828201 is an equidigital number, since it uses as much as digits as its factorization.

2828201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2828201 is about 1681.7256018745. The cubic root of 2828201 is about 141.4175873911.

The spelling of 2828201 in words is "two million, eight hundred twenty-eight thousand, two hundred one".

Divisors: 1 709 3989 2828201