Search a number
-
+
10118493 = 3371131157
BaseRepresentation
bin100110100110…
…010101011101
3201001001222000
4212212111131
510042242433
61000512513
7152001660
oct46462535
921031860
1010118493
1157911a0
12347b739
132133798
1414b56d7
15d4d113
hex9a655d

10118493 has 64 divisors (see below), whose sum is σ = 19415040. Its totient is φ = 5054400.

The previous prime is 10118473. The next prime is 10118503. The reversal of 10118493 is 39481101.

It is not a de Polignac number, because 10118493 - 26 = 10118429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10118453) 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 63 ways as a sum of consecutive naturals, for example, 64371 + ... + 64527.

It is an arithmetic number, because the mean of its divisors is an integer number (303360).

Almost surely, 210118493 is an apocalyptic number.

It is an amenable number.

10118493 is a deficient number, since it is larger than the sum of its proper divisors (9296547).

10118493 is a wasteful number, since it uses less digits than its factorization.

10118493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10118493 is about 3180.9578746032. The cubic root of 10118493 is about 216.2910813284.

Adding to 10118493 its reverse (39481101), we get a palindrome (49599594).

The spelling of 10118493 in words is "ten million, one hundred eighteen thousand, four hundred ninety-three".

Divisors: 1 3 7 9 11 21 27 31 33 63 77 93 99 157 189 217 231 279 297 341 471 651 693 837 1023 1099 1413 1727 1953 2079 2387 3069 3297 4239 4867 5181 5859 7161 9207 9891 12089 14601 15543 21483 29673 34069 36267 43803 46629 53537 64449 102207 108801 131409 160611 306621 326403 374759 481833 919863 1124277 1445499 3372831 10118493