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10644249 = 371125971
BaseRepresentation
bin101000100110…
…101100011001
3202000210011110
4220212230121
510211103444
61020050533
7156321540
oct50465431
922023143
1010644249
116010200
123693a49
132288b95
1415b1157
15e03cb9
hexa26b19

10644249 has 48 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 5359200.

The previous prime is 10644233. The next prime is 10644269. The reversal of 10644249 is 94244601.

It is not a de Polignac number, because 10644249 - 24 = 10644233 is a prime.

It is a super-2 number, since 2×106442492 = 226600073548002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10644209) 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 47 ways as a sum of consecutive naturals, for example, 149884 + ... + 149954.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 210644249 is an apocalyptic number.

It is an amenable number.

10644249 is a deficient number, since it is larger than the sum of its proper divisors (7741671).

10644249 is a wasteful number, since it uses less digits than its factorization.

10644249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 10644249 is about 3262.5525283128. The cubic root of 10644249 is about 219.9741636326.

It can be divided in two parts, 106442 and 49, that added together give a triangular number (106491 = T461).

The spelling of 10644249 in words is "ten million, six hundred forty-four thousand, two hundred forty-nine".

Divisors: 1 3 7 11 21 33 59 71 77 121 177 213 231 363 413 497 649 781 847 1239 1491 1947 2343 2541 4189 4543 5467 7139 8591 12567 13629 16401 21417 25773 29323 46079 49973 60137 87969 138237 149919 180411 322553 506869 967659 1520607 3548083 10644249