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10728226 = 273197373
BaseRepresentation
bin101000111011…
…001100100010
3202012001100201
4220323030202
510221300401
61021535414
7160121425
oct50731442
922161321
1010728226
116068303
12371456a
1322b8182
1415d39bc
15e1db01
hexa3b322

10728226 has 16 divisors (see below), whose sum is σ = 16439544. Its totient is φ = 5249664.

The previous prime is 10728209. The next prime is 10728229. The reversal of 10728226 is 62282701.

It can be written as a sum of positive squares in 4 ways, for example, as 10725625 + 2601 = 3275^2 + 51^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10728194 and 10728203.

It is not an unprimeable number, because it can be changed into a prime (10728229) 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 7 ways as a sum of consecutive naturals, for example, 28576 + ... + 28948.

Almost surely, 210728226 is an apocalyptic number.

10728226 is a deficient number, since it is larger than the sum of its proper divisors (5711318).

10728226 is a wasteful number, since it uses less digits than its factorization.

10728226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 10728226 is about 3275.3970751651. The cubic root of 10728226 is about 220.5511388083.

The spelling of 10728226 in words is "ten million, seven hundred twenty-eight thousand, two hundred twenty-six".

Divisors: 1 2 73 146 197 373 394 746 14381 27229 28762 54458 73481 146962 5364113 10728226