Search a number
-
+
10200405 = 35680027
BaseRepresentation
bin100110111010…
…010101010101
3201012020022210
4212322111111
510102403110
61002344033
7152462535
oct46722525
921166283
1010200405
115837796
1234bb019
132161b57
1414d74c5
15d67520
hex9ba555

10200405 has 8 divisors (see below), whose sum is σ = 16320672. Its totient is φ = 5440208.

The previous prime is 10200403. The next prime is 10200413. The reversal of 10200405 is 50400201.

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 10200405 - 21 = 10200403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 339999 + ... + 340028.

It is an arithmetic number, because the mean of its divisors is an integer number (2040084).

Almost surely, 210200405 is an apocalyptic number.

10200405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10200405 is a deficient number, since it is larger than the sum of its proper divisors (6120267).

10200405 is an equidigital number, since it uses as much as digits as its factorization.

10200405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680035.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10200405 is about 3193.8072891144. The cubic root of 10200405 is about 216.8731588291.

Adding to 10200405 its reverse (50400201), we get a palindrome (60600606).

The spelling of 10200405 in words is "ten million, two hundred thousand, four hundred five".

Divisors: 1 3 5 15 680027 2040081 3400135 10200405