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2102801 is a prime number
BaseRepresentation
bin1000000001011000010001
310221211111112
420001120101
51014242201
6113023105
723605421
oct10013021
93854445
102102801
111206958
12854a95
1358817c
143ca481
152b80bb
hex201611

2102801 has 2 divisors, whose sum is σ = 2102802. Its totient is φ = 2102800.

The previous prime is 2102797. The next prime is 2102809. The reversal of 2102801 is 1082012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 602176 = 1225^2 + 776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102801 - 22 = 2102797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2102809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051400 + 1051401.

It is an arithmetic number, because the mean of its divisors is an integer number (1051401).

22102801 is an apocalyptic number.

It is an amenable number.

2102801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102801 is an equidigital number, since it uses as much as digits as its factorization.

2102801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2102801 is about 1450.1037893889. The cubic root of 2102801 is about 128.1148261602.

Adding to 2102801 its reverse (1082012), we get a palindrome (3184813).

The spelling of 2102801 in words is "two million, one hundred two thousand, eight hundred one".