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2026489 = 7572677
BaseRepresentation
bin111101110101111111001
310210221211011
413232233321
51004321424
6111233521
723140063
oct7565771
93727734
102026489
111164593
128188a1
1355c50a
143aa733
152a0694
hex1eebf9

2026489 has 4 divisors (see below), whose sum is σ = 2029924. Its totient is φ = 2023056.

The previous prime is 2026487. The next prime is 2026517. The reversal of 2026489 is 9846202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9846202 = 24923101.

It can be written as a sum of positive squares in 2 ways, for example, as 501264 + 1525225 = 708^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026489 - 21 = 2026487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2026489.

It is not an unprimeable number, because it can be changed into a prime (2026487) 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, 582 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (507481).

22026489 is an apocalyptic number.

It is an amenable number.

2026489 is a deficient number, since it is larger than the sum of its proper divisors (3435).

2026489 is an equidigital number, since it uses as much as digits as its factorization.

2026489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2026489 is about 1423.5480322069. The cubic root of 2026489 is about 126.5459013643.

The spelling of 2026489 in words is "two million, twenty-six thousand, four hundred eighty-nine".

Divisors: 1 757 2677 2026489