Search a number
-
+
10505103 = 372511993
BaseRepresentation
bin101000000100…
…101110001111
3201202201021220
4220010232033
510142130403
61013054423
7155202060
oct50045617
921681256
1010505103
115a25704
123627413
13223a74b
141576567
15dc7953
hexa04b8f

10505103 has 16 divisors (see below), whose sum is σ = 16079616. Its totient is φ = 5976000.

The previous prime is 10505101. The next prime is 10505107. The reversal of 10505103 is 30150501.

It is not a de Polignac number, because 10505103 - 21 = 10505101 is a prime.

It is a super-2 number, since 2×105051032 = 220714378081218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505101) 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 15 ways as a sum of consecutive naturals, for example, 4275 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (1004976).

Almost surely, 210505103 is an apocalyptic number.

10505103 is a deficient number, since it is larger than the sum of its proper divisors (5574513).

10505103 is a wasteful number, since it uses less digits than its factorization.

10505103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 10505103 is about 3241.1576635517. The cubic root of 10505103 is about 219.0114253542.

Adding to 10505103 its reverse (30150501), we get a palindrome (40655604).

The spelling of 10505103 in words is "ten million, five hundred five thousand, one hundred three".

Divisors: 1 3 7 21 251 753 1757 1993 5271 5979 13951 41853 500243 1500729 3501701 10505103