Search a number
-
+
1078090 = 25138293
BaseRepresentation
bin100000111001101001010
32000202212021
410013031022
5233444330
635035054
712110056
oct4071512
92022767
101078090
11676a92
1243ba8a
132b9930
14200c66
1516467a
hex10734a

1078090 has 16 divisors (see below), whose sum is σ = 2090088. Its totient is φ = 398016.

The previous prime is 1078081. The next prime is 1078109. The reversal of 1078090 is 908701.

It can be written as a sum of positive squares in 4 ways, for example, as 514089 + 564001 = 717^2 + 751^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017 + ... + 4276.

21078090 is an apocalyptic number.

1078090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1078090 is a deficient number, since it is larger than the sum of its proper divisors (1011998).

1078090 is a wasteful number, since it uses less digits than its factorization.

1078090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1078090 is about 1038.3111287085. The cubic root of 1078090 is about 102.5380386282.

The spelling of 1078090 in words is "one million, seventy-eight thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 8293 16586 41465 82930 107809 215618 539045 1078090