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1896013 = 7270859
BaseRepresentation
bin111001110111001001101
310120022211201
413032321031
5441133023
6104345501
722054510
oct7167115
93508751
101896013
111085559
12775291
13515002
14374d77
15276bad
hex1cee4d

1896013 has 4 divisors (see below), whose sum is σ = 2166880. Its totient is φ = 1625148.

The previous prime is 1896001. The next prime is 1896017. The reversal of 1896013 is 3106981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1896013 - 25 = 1895981 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 (1896017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135423 + ... + 135436.

It is an arithmetic number, because the mean of its divisors is an integer number (541720).

21896013 is an apocalyptic number.

It is an amenable number.

1896013 is a deficient number, since it is larger than the sum of its proper divisors (270867).

1896013 is an equidigital number, since it uses as much as digits as its factorization.

1896013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270866.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1896013 is about 1376.9578788039. The cubic root of 1896013 is about 123.7695381184.

The spelling of 1896013 in words is "one million, eight hundred ninety-six thousand, thirteen".

Divisors: 1 7 270859 1896013