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2888421 = 3962807
BaseRepresentation
bin1011000001001011100101
312102202011120
423001023211
51214412141
6141524153
733360024
oct13011345
95382146
102888421
1116a3128
12b73659
137a1933
145528bb
153c0c66
hex2c12e5

2888421 has 4 divisors (see below), whose sum is σ = 3851232. Its totient is φ = 1925612.

The previous prime is 2888387. The next prime is 2888441. The reversal of 2888421 is 1248882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2888421 - 26 = 2888357 is a prime.

It is a D-number.

It is a congruent 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, 481401 + ... + 481406.

It is an arithmetic number, because the mean of its divisors is an integer number (962808).

22888421 is an apocalyptic number.

It is an amenable number.

2888421 is a deficient number, since it is larger than the sum of its proper divisors (962811).

2888421 is an equidigital number, since it uses as much as digits as its factorization.

2888421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962810.

The product of its digits is 8192, while the sum is 33.

The square root of 2888421 is about 1699.5355247832. The cubic root of 2888421 is about 142.4142666818.

The spelling of 2888421 in words is "two million, eight hundred eighty-eight thousand, four hundred twenty-one".

Divisors: 1 3 962807 2888421