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1048913 = 3728349
BaseRepresentation
bin100000000000101010001
31222021211122
410000011101
5232031123
634252025
711626025
oct4000521
91867748
101048913
11657078
12427015
132a9578
141d4385
1515abc8
hex100151

1048913 has 4 divisors (see below), whose sum is σ = 1077300. Its totient is φ = 1020528.

The previous prime is 1048909. The next prime is 1048919. The reversal of 1048913 is 3198401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3198401 = 10493049.

It can be written as a sum of positive squares in 2 ways, for example, as 452929 + 595984 = 673^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048913 - 22 = 1048909 is a prime.

It is a super-2 number, since 2×10489132 = 2200436963138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14138 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

21048913 is an apocalyptic number.

It is an amenable number.

1048913 is a deficient number, since it is larger than the sum of its proper divisors (28387).

1048913 is an equidigital number, since it uses as much as digits as its factorization.

1048913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28386.

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

The square root of 1048913 is about 1024.1645375622. The cubic root of 1048913 is about 101.6045498303.

The spelling of 1048913 in words is "one million, forty-eight thousand, nine hundred thirteen".

Divisors: 1 37 28349 1048913