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1013489 = 1759617
BaseRepresentation
bin11110111011011110001
31220111020122
43313123301
5224412424
633420025
711420531
oct3673361
91814218
101013489
116324a4
1240a615
132963c9
141c54c1
1515045e
hexf76f1

1013489 has 4 divisors (see below), whose sum is σ = 1073124. Its totient is φ = 953856.

The previous prime is 1013477. The next prime is 1013501. The reversal of 1013489 is 9843101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9843101 = 73134837.

It is an interprime number because it is at equal distance from previous prime (1013477) and next prime (1013501).

It can be written as a sum of positive squares in 2 ways, for example, as 935089 + 78400 = 967^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1013489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013429) 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, 29792 + ... + 29825.

It is an arithmetic number, because the mean of its divisors is an integer number (268281).

21013489 is an apocalyptic number.

It is an amenable number.

1013489 is a deficient number, since it is larger than the sum of its proper divisors (59635).

1013489 is an equidigital number, since it uses as much as digits as its factorization.

1013489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59634.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1013489 is about 1006.7219079766. The cubic root of 1013489 is about 100.4476266475.

The spelling of 1013489 in words is "one million, thirteen thousand, four hundred eighty-nine".

Divisors: 1 17 59617 1013489