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10202105 = 517911399
BaseRepresentation
bin100110111010…
…101111111001
3201012022122202
4212322233321
510102431410
61002355545
7152500514
oct46725771
921168582
1010202105
115838aa1
1234bbbb5
132162864
1414d7d7b
15d67ca5
hex9babf9

10202105 has 8 divisors (see below), whose sum is σ = 12312000. Its totient is φ = 8115376.

The previous prime is 10202099. The next prime is 10202117. The reversal of 10202105 is 50120201.

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 10202105 - 218 = 9939961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4805 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 210202105 is an apocalyptic number.

It is an amenable number.

10202105 is a deficient number, since it is larger than the sum of its proper divisors (2109895).

10202105 is a wasteful number, since it uses less digits than its factorization.

10202105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10202105 is about 3194.0734180667. The cubic root of 10202105 is about 216.8852061903.

Adding to 10202105 its reverse (50120201), we get a palindrome (60322306).

It can be divided in two parts, 1020 and 2105, that added together give a 5-th power (3125 = 55).

The spelling of 10202105 in words is "ten million, two hundred two thousand, one hundred five".

Divisors: 1 5 179 895 11399 56995 2040421 10202105