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2289489 = 32333181
BaseRepresentation
bin1000101110111101010001
311022022120220
420232331101
51041230424
6121023253
725313616
oct10567521
94268526
102289489
111324144
12924b29
13622137
1443850d
15303579
hex22ef51

2289489 has 8 divisors (see below), whose sum is σ = 3185472. Its totient is φ = 1459920.

The previous prime is 2289473. The next prime is 2289503. The reversal of 2289489 is 9849822.

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

It is not a de Polignac number, because 2289489 - 24 = 2289473 is a prime.

It is a super-2 number, since 2×22894892 = 10483519762242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2289489.

It is not an unprimeable number, because it can be changed into a prime (2289409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16522 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (398184).

22289489 is an apocalyptic number.

It is an amenable number.

2289489 is a deficient number, since it is larger than the sum of its proper divisors (895983).

2289489 is a wasteful number, since it uses less digits than its factorization.

2289489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33207.

The product of its digits is 82944, while the sum is 42.

The square root of 2289489 is about 1513.1057464698. The cubic root of 2289489 is about 131.7992241537.

The spelling of 2289489 in words is "two million, two hundred eighty-nine thousand, four hundred eighty-nine".

Divisors: 1 3 23 69 33181 99543 763163 2289489