Search a number
-
+
1085032765 = 5217006553
BaseRepresentation
bin100000010101100…
…0100100100111101
32210121200101010201
41000223010210331
54210232022030
6255400003501
735613424555
oct10053044475
92717611121
101085032765
115075221a3
12263460591
13143a4022b
14a4164165
15653cb2ca
hex40ac493d

1085032765 has 4 divisors (see below), whose sum is σ = 1302039324. Its totient is φ = 868026208.

The previous prime is 1085032759. The next prime is 1085032771. The reversal of 1085032765 is 5672305801.

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

It is an interprime number because it is at equal distance from previous prime (1085032759) and next prime (1085032771).

It can be written as a sum of positive squares in 2 ways, for example, as 710648964 + 374383801 = 26658^2 + 19349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085032765 - 29 = 1085032253 is a prime.

It is a super-2 number, since 2×10850327652 = 2354592202247090450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108503272 + ... + 108503281.

It is an arithmetic number, because the mean of its divisors is an integer number (325509831).

Almost surely, 21085032765 is an apocalyptic number.

It is an amenable number.

1085032765 is a deficient number, since it is larger than the sum of its proper divisors (217006559).

1085032765 is an equidigital number, since it uses as much as digits as its factorization.

1085032765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217006558.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1085032765 is about 32939.8355338942. The cubic root of 1085032765 is about 1027.5767853849.

The spelling of 1085032765 in words is "one billion, eighty-five million, thirty-two thousand, seven hundred sixty-five".

Divisors: 1 5 217006553 1085032765