Search a number
-
+
10506115 = 52101223
BaseRepresentation
bin101000000100…
…111110000011
3201202202200101
4220010332003
510142143430
61013103231
7155205034
oct50047603
921682611
1010506115
115a26444
123627b17
13223b049
141576a8b
15dc7dca
hexa04f83

10506115 has 4 divisors (see below), whose sum is σ = 12607344. Its totient is φ = 8404888.

The previous prime is 10506079. The next prime is 10506169. The reversal of 10506115 is 51160501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51160501 = 77308643.

It is a cyclic number.

It is not a de Polignac number, because 10506115 - 27 = 10505987 is a prime.

It is a super-2 number, since 2×105061152 = 220756904786450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10506092 and 10506101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050607 + ... + 1050616.

It is an arithmetic number, because the mean of its divisors is an integer number (3151836).

Almost surely, 210506115 is an apocalyptic number.

10506115 is a deficient number, since it is larger than the sum of its proper divisors (2101229).

10506115 is an equidigital number, since it uses as much as digits as its factorization.

10506115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101228.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 10506115 is about 3241.3137768504. The cubic root of 10506115 is about 219.0184578870.

Adding to 10506115 its reverse (51160501), we get a palindrome (61666616).

The spelling of 10506115 in words is "ten million, five hundred six thousand, one hundred fifteen".

Divisors: 1 5 2101223 10506115