Search a number
-
+
10007705 = 52001541
BaseRepresentation
bin100110001011…
…010010011001
3200211102222202
4212023102121
510030221310
6554255545
7151030661
oct46132231
920742882
1010007705
115715a34
1234275b5
1320c5226
1414871a1
15d2a3a5
hex98b499

10007705 has 4 divisors (see below), whose sum is σ = 12009252. Its totient is φ = 8006160.

The previous prime is 10007693. The next prime is 10007707. The reversal of 10007705 is 50770001.

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 3433609 + 6574096 = 1853^2 + 2564^2 .

It is not a de Polignac number, because 10007705 - 24 = 10007689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10007707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000766 + ... + 1000775.

It is an arithmetic number, because the mean of its divisors is an integer number (3002313).

Almost surely, 210007705 is an apocalyptic number.

It is an amenable number.

10007705 is a deficient number, since it is larger than the sum of its proper divisors (2001547).

10007705 is an equidigital number, since it uses as much as digits as its factorization.

10007705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001546.

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 10007705 is about 3163.4956930586. The cubic root of 10007705 is about 215.4987878622.

Adding to 10007705 its reverse (50770001), we get a palindrome (60777706).

The spelling of 10007705 in words is "ten million, seven thousand, seven hundred five".

Divisors: 1 5 2001541 10007705