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10139717 = 72206933
BaseRepresentation
bin100110101011…
…100001000101
3201002011002002
4212223201011
510043432332
61001155045
7152120600
oct46534105
921064062
1010139717
1157a6135
12348ba85
132140343
1414bd337
15d54562
hex9ab845

10139717 has 6 divisors (see below), whose sum is σ = 11795238. Its totient is φ = 8691144.

The previous prime is 10139699. The next prime is 10139719. The reversal of 10139717 is 71793101.

It can be written as a sum of positive squares in only one way, i.e., 7150276 + 2989441 = 2674^2 + 1729^2 .

It is not a de Polignac number, because 10139717 - 222 = 5945413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10139717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10139719) 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 5 ways as a sum of consecutive naturals, for example, 103418 + ... + 103515.

It is an arithmetic number, because the mean of its divisors is an integer number (1965873).

Almost surely, 210139717 is an apocalyptic number.

It is an amenable number.

10139717 is a deficient number, since it is larger than the sum of its proper divisors (1655521).

10139717 is an equidigital number, since it uses as much as digits as its factorization.

10139717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206947 (or 206940 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 10139717 is about 3184.2922290519. The cubic root of 10139717 is about 216.4422025150.

The spelling of 10139717 in words is "ten million, one hundred thirty-nine thousand, seven hundred seventeen".

Divisors: 1 7 49 206933 1448531 10139717