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1072713 = 3357571
BaseRepresentation
bin100000101111001001001
32000111111010
410011321021
5233311323
634554133
712055305
oct4057111
92014433
101072713
11672a44
12438949
132b7355
141dcd05
15162c93
hex105e49

1072713 has 4 divisors (see below), whose sum is σ = 1430288. Its totient is φ = 715140.

The previous prime is 1072711. The next prime is 1072733. The reversal of 1072713 is 3172701.

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 1072713 - 21 = 1072711 is a prime.

It is a D-number.

It is a Duffinian number.

1072713 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072713.

It is not an unprimeable number, because it can be changed into a prime (1072711) 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, 178783 + ... + 178788.

It is an arithmetic number, because the mean of its divisors is an integer number (357572).

21072713 is an apocalyptic number.

It is an amenable number.

1072713 is a deficient number, since it is larger than the sum of its proper divisors (357575).

1072713 is an equidigital number, since it uses as much as digits as its factorization.

1072713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357574.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 1072713 is about 1035.7185911241. The cubic root of 1072713 is about 102.3672841145.

The spelling of 1072713 in words is "one million, seventy-two thousand, seven hundred thirteen".

Divisors: 1 3 357571 1072713