Search a number
-
+
1230793 = 3139703
BaseRepresentation
bin100101100011111001001
32022112022221
410230133021
5303341133
642214041
713314214
oct4543711
92275287
101230793
11770793
124b4321
133412a5
1424077b
15194a2d
hex12c7c9

1230793 has 4 divisors (see below), whose sum is σ = 1270528. Its totient is φ = 1191060.

The previous prime is 1230791. The next prime is 1230829. The reversal of 1230793 is 3970321.

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 a cyclic number.

It is not a de Polignac number, because 1230793 - 21 = 1230791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230791) 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, 19821 + ... + 19882.

It is an arithmetic number, because the mean of its divisors is an integer number (317632).

21230793 is an apocalyptic number.

It is an amenable number.

1230793 is a deficient number, since it is larger than the sum of its proper divisors (39735).

1230793 is an equidigital number, since it uses as much as digits as its factorization.

1230793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39734.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1230793 is about 1109.4111050463. The cubic root of 1230793 is about 107.1671478471.

The spelling of 1230793 in words is "one million, two hundred thirty thousand, seven hundred ninety-three".

Divisors: 1 31 39703 1230793