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1230393 = 31073833
BaseRepresentation
bin100101100011000111001
32022111210010
410230120321
5303333033
642212133
713313103
oct4543071
92274703
101230393
1177045a
124b4049
13341058
14240573
15194863
hex12c639

1230393 has 8 divisors (see below), whose sum is σ = 1656288. Its totient is φ = 812384.

The previous prime is 1230391. The next prime is 1230401. The reversal of 1230393 is 3930321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230393 - 21 = 1230391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (207036).

21230393 is an apocalyptic number.

It is an amenable number.

1230393 is a deficient number, since it is larger than the sum of its proper divisors (425895).

1230393 is a wasteful number, since it uses less digits than its factorization.

1230393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 1230393 is about 1109.2308145738. The cubic root of 1230393 is about 107.1555370390.

The spelling of 1230393 in words is "one million, two hundred thirty thousand, three hundred ninety-three".

Divisors: 1 3 107 321 3833 11499 410131 1230393