Search a number
-
+
10642205 = 57304063
BaseRepresentation
bin101000100110…
…001100011101
3202000200100202
4220212030131
510211022310
61020033245
7156312560
oct50461435
922020322
1010642205
116009712
123692825
132287c82
1415b04d7
15e033a5
hexa2631d

10642205 has 8 divisors (see below), whose sum is σ = 14595072. Its totient is φ = 7297488.

The previous prime is 10642201. The next prime is 10642211. The reversal of 10642205 is 50224601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10642205 - 22 = 10642201 is a prime.

It is a super-2 number, since 2×106422052 = 226513054524050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642201) 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 7 ways as a sum of consecutive naturals, for example, 151997 + ... + 152066.

It is an arithmetic number, because the mean of its divisors is an integer number (1824384).

Almost surely, 210642205 is an apocalyptic number.

It is an amenable number.

10642205 is a deficient number, since it is larger than the sum of its proper divisors (3952867).

10642205 is an equidigital number, since it uses as much as digits as its factorization.

10642205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304075.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10642205 is about 3262.2392616116. The cubic root of 10642205 is about 219.9600822893.

Adding to 10642205 its reverse (50224601), we get a palindrome (60866806).

The spelling of 10642205 in words is "ten million, six hundred forty-two thousand, two hundred five".

Divisors: 1 5 7 35 304063 1520315 2128441 10642205