Search a number
-
+
10145249 is a prime number
BaseRepresentation
bin100110101100…
…110111100001
3201002102122222
4212230313201
510044121444
61001240425
7152142662
oct46546741
921072588
1010145249
1157aa304
123493115
132142a0a
1414c1369
15d55eee
hex9acde1

10145249 has 2 divisors, whose sum is σ = 10145250. Its totient is φ = 10145248.

The previous prime is 10145197. The next prime is 10145251. The reversal of 10145249 is 94254101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 1024 = 3185^2 + 32^2 .

It is an emirp because it is prime and its reverse (94254101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10145249 is a prime.

Together with 10145251, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p673640 and since 10145249 and 673640 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10145299) 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 as a sum of consecutive naturals, namely, 5072624 + 5072625.

It is an arithmetic number, because the mean of its divisors is an integer number (5072625).

Almost surely, 210145249 is an apocalyptic number.

It is an amenable number.

10145249 is a deficient number, since it is larger than the sum of its proper divisors (1).

10145249 is an equidigital number, since it uses as much as digits as its factorization.

10145249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 10145249 is about 3185.1607494756. The cubic root of 10145249 is about 216.4815573471.

The spelling of 10145249 in words is "ten million, one hundred forty-five thousand, two hundred forty-nine".