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1093945 = 51371597
BaseRepresentation
bin100001011000100111001
32001120121111
410023010321
5240001240
635240321
712204226
oct4130471
92046544
101093945
11687996
124490a1
132c3c08
1420694d
151691ea
hex10b139

1093945 has 8 divisors (see below), whose sum is σ = 1323144. Its totient is φ = 868224.

The previous prime is 1093943. The next prime is 1093951. The reversal of 1093945 is 5493901.

It can be written as a sum of positive squares in 4 ways, for example, as 45369 + 1048576 = 213^2 + 1024^2 .

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 1093945 - 21 = 1093943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1093943) 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, 114 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (165393).

21093945 is an apocalyptic number.

It is an amenable number.

1093945 is a deficient number, since it is larger than the sum of its proper divisors (229199).

1093945 is a wasteful number, since it uses less digits than its factorization.

1093945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1093945 is about 1045.9182568442. The cubic root of 1093945 is about 103.0382551838.

The spelling of 1093945 in words is "one million, ninety-three thousand, nine hundred forty-five".

Divisors: 1 5 137 685 1597 7985 218789 1093945