Search a number
-
+
10199405 = 517119993
BaseRepresentation
bin100110111010…
…000101101101
3201012011221202
4212322011231
510102340110
61002335245
7152456606
oct46720555
921164852
1010199405
115836a67
1234ba525
132161568
1414d6dad
15d670a5
hex9ba16d

10199405 has 8 divisors (see below), whose sum is σ = 12959352. Its totient is φ = 7679488.

The previous prime is 10199401. The next prime is 10199407. The reversal of 10199405 is 50499101.

It can be written as a sum of positive squares in 4 ways, for example, as 477481 + 9721924 = 691^2 + 3118^2 .

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 10199405 - 22 = 10199401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10199401) 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, 59912 + ... + 60081.

It is an arithmetic number, because the mean of its divisors is an integer number (1619919).

Almost surely, 210199405 is an apocalyptic number.

It is an amenable number.

10199405 is a deficient number, since it is larger than the sum of its proper divisors (2759947).

10199405 is a wasteful number, since it uses less digits than its factorization.

10199405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120015.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 10199405 is about 3193.6507323125. The cubic root of 10199405 is about 216.8660715207.

The spelling of 10199405 in words is "ten million, one hundred ninety-nine thousand, four hundred five".

Divisors: 1 5 17 85 119993 599965 2039881 10199405