Search a number
-
+
1032860105 = 5206572021
BaseRepresentation
bin111101100100000…
…011000111001001
32122222111201200222
4331210003013021
54103403010410
6250253435425
734411110644
oct7544030711
92588451628
101032860105
114900280a2
12249a9bb75
13135ca3c34
149b262a5b
1560a22955
hex3d9031c9

1032860105 has 4 divisors (see below), whose sum is σ = 1239432132. Its totient is φ = 826288080.

The previous prime is 1032860093. The next prime is 1032860117. The reversal of 1032860105 is 5010682301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5010682301 = 6774786303.

It is an interprime number because it is at equal distance from previous prime (1032860093) and next prime (1032860117).

It can be written as a sum of positive squares in 2 ways, for example, as 573315136 + 459544969 = 23944^2 + 21437^2 .

It is a de Polignac number, because none of the positive numbers 2k-1032860105 is a prime.

It is a super-2 number, since 2×10328601052 = 2133599993001222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103286006 + ... + 103286015.

It is an arithmetic number, because the mean of its divisors is an integer number (309858033).

Almost surely, 21032860105 is an apocalyptic number.

It is an amenable number.

1032860105 is a deficient number, since it is larger than the sum of its proper divisors (206572027).

1032860105 is an equidigital number, since it uses as much as digits as its factorization.

1032860105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206572026.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1032860105 is about 32138.1409698819. The cubic root of 1032860105 is about 1010.8355354425.

The spelling of 1032860105 in words is "one billion, thirty-two million, eight hundred sixty thousand, one hundred five".

Divisors: 1 5 206572021 1032860105