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1080697 = 1497253
BaseRepresentation
bin100000111110101111001
32000220102211
410013311321
5234040242
635055121
712120502
oct4076571
92026384
101080697
11678a42
124414a1
132bab87
14201ba9
15165317
hex107d79

1080697 has 4 divisors (see below), whose sum is σ = 1088100. Its totient is φ = 1073296.

The previous prime is 1080683. The next prime is 1080713. The reversal of 1080697 is 7960801.

1080697 = T38 + T39 + ... + T186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 434281 + 646416 = 659^2 + 804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080697 - 215 = 1047929 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a deceptive number, since it divides R1080696.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080647) 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, 3478 + ... + 3775.

It is an arithmetic number, because the mean of its divisors is an integer number (272025).

21080697 is an apocalyptic number.

It is an amenable number.

1080697 is a deficient number, since it is larger than the sum of its proper divisors (7403).

1080697 is an equidigital number, since it uses as much as digits as its factorization.

1080697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1080697 is about 1039.5657747348. The cubic root of 1080697 is about 102.6206234104.

The spelling of 1080697 in words is "one million, eighty thousand, six hundred ninety-seven".

Divisors: 1 149 7253 1080697