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1357013 = 7193859
BaseRepresentation
bin101001011010011010101
32112221110202
411023103111
5321411023
645030245
714351210
oct5132325
92487422
101357013
118475a9
12555385
13386888
14274777
151bc128
hex14b4d5

1357013 has 4 divisors (see below), whose sum is σ = 1550880. Its totient is φ = 1163148.

The previous prime is 1357009. The next prime is 1357021. The reversal of 1357013 is 3107531.

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 1357013 - 22 = 1357009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96923 + ... + 96936.

It is an arithmetic number, because the mean of its divisors is an integer number (387720).

21357013 is an apocalyptic number.

It is an amenable number.

1357013 is a deficient number, since it is larger than the sum of its proper divisors (193867).

1357013 is an equidigital number, since it uses as much as digits as its factorization.

1357013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193866.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 1357013 is about 1164.9090093222. The cubic root of 1357013 is about 110.7119931342.

The spelling of 1357013 in words is "one million, three hundred fifty-seven thousand, thirteen".

Divisors: 1 7 193859 1357013