Search a number
-
+
10505474 = 271077013
BaseRepresentation
bin101000000100…
…110100000010
3201202201210122
4220010310002
510142133344
61013100242
7155203130
oct50046402
921681718
1010505474
115a25a11
123627682
13223a975
141576750
15dc7aee
hexa04d02

10505474 has 16 divisors (see below), whose sum is σ = 18180288. Its totient is φ = 4459632.

The previous prime is 10505449. The next prime is 10505477. The reversal of 10505474 is 47450501.

It is a super-2 number, since 2×105054742 = 220729967929352, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10505477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (1136268).

Almost surely, 210505474 is an apocalyptic number.

10505474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10505474 is a deficient number, since it is larger than the sum of its proper divisors (7674814).

10505474 is a wasteful number, since it uses less digits than its factorization.

10505474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 10505474 is about 3241.2148956834. The cubic root of 10505474 is about 219.0140035387.

Adding to 10505474 its reverse (47450501), we get a palindrome (57955975).

The spelling of 10505474 in words is "ten million, five hundred five thousand, four hundred seventy-four".

Divisors: 1 2 7 14 107 214 749 1498 7013 14026 49091 98182 750391 1500782 5252737 10505474