Search a number
-
+
10231005 = 351514517
BaseRepresentation
bin100111000001…
…110011011101
3201020210022010
4213001303131
510104343010
61003141433
7152651001
oct47016335
921223263
1010231005
115858784
123514879
132172a65
141504701
15d71620
hex9c1cdd

10231005 has 16 divisors (see below), whose sum is σ = 16481664. Its totient is φ = 5419200.

The previous prime is 10230989. The next prime is 10231009. The reversal of 10231005 is 50013201.

It is not a de Polignac number, because 10231005 - 24 = 10230989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231009) 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 15 ways as a sum of consecutive naturals, for example, 7 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (1030104).

Almost surely, 210231005 is an apocalyptic number.

10231005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10231005 is a deficient number, since it is larger than the sum of its proper divisors (6250659).

10231005 is a wasteful number, since it uses less digits than its factorization.

10231005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 10231005 is about 3198.5942224671. The cubic root of 10231005 is about 217.0898068819.

Adding to 10231005 its reverse (50013201), we get a palindrome (60244206).

The spelling of 10231005 in words is "ten million, two hundred thirty-one thousand, five".

Divisors: 1 3 5 15 151 453 755 2265 4517 13551 22585 67755 682067 2046201 3410335 10231005