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2889263 = 131092039
BaseRepresentation
bin1011000001011000101111
312102210022202
423001120233
51214424023
6141532115
733362336
oct13013057
95383282
102889263
1116a3823
12b7403b
137a2130
14552d1d
153c1128
hex2c162f

2889263 has 8 divisors (see below), whose sum is σ = 3141600. Its totient is φ = 2641248.

The previous prime is 2889251. The next prime is 2889277. The reversal of 2889263 is 3629882.

It is a happy number.

2889263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2889263 - 24 = 2889247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (392700).

22889263 is an apocalyptic number.

2889263 is a deficient number, since it is larger than the sum of its proper divisors (252337).

2889263 is a wasteful number, since it uses less digits than its factorization.

2889263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161.

The product of its digits is 41472, while the sum is 38.

The square root of 2889263 is about 1699.7832214727. The cubic root of 2889263 is about 142.4281036723.

The spelling of 2889263 in words is "two million, eight hundred eighty-nine thousand, two hundred sixty-three".

Divisors: 1 13 109 1417 2039 26507 222251 2889263