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10649238 = 2310117573
BaseRepresentation
bin101000100111…
…111010010110
3202001001000020
4220213322112
510211233423
61020130010
7156342225
oct50477226
922031006
1010649238
116013a26
123696906
13228b232
1415b2cbc
15e054e3
hexa27e96

10649238 has 16 divisors (see below), whose sum is σ = 21510576. Its totient is φ = 3514400.

The previous prime is 10649231. The next prime is 10649269. The reversal of 10649238 is 83294601.

It is a super-2 number, since 2×106492382 = 226812539961288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10649199 and 10649208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649231) 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 7 ways as a sum of consecutive naturals, for example, 8181 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (1344411).

Almost surely, 210649238 is an apocalyptic number.

10649238 is an abundant number, since it is smaller than the sum of its proper divisors (10861338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10649238 is a wasteful number, since it uses less digits than its factorization.

10649238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17679.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 10649238 is about 3263.3170241336. The cubic root of 10649238 is about 220.0085258404.

The spelling of 10649238 in words is "ten million, six hundred forty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 101 202 303 606 17573 35146 52719 105438 1774873 3549746 5324619 10649238