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2888401 = 10972633
BaseRepresentation
bin1011000001001011010001
312102202010211
423001023101
51214412101
6141524121
733356665
oct13011321
95382124
102888401
1116a310a
12b73641
137a1919
145528a5
153c0c51
hex2c12d1

2888401 has 4 divisors (see below), whose sum is σ = 2892132. Its totient is φ = 2884672.

The previous prime is 2888387. The next prime is 2888441. The reversal of 2888401 is 1048882.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 638401 + 2250000 = 799^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2888401 - 27 = 2888273 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2888441) 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, 220 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (723033).

22888401 is an apocalyptic number.

It is an amenable number.

2888401 is a deficient number, since it is larger than the sum of its proper divisors (3731).

2888401 is a wasteful number, since it uses less digits than its factorization.

2888401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 2888401 is about 1699.5296408124. The cubic root of 2888401 is about 142.4139379794.

The spelling of 2888401 in words is "two million, eight hundred eighty-eight thousand, four hundred one".

Divisors: 1 1097 2633 2888401