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10157797 = 13781369
BaseRepresentation
bin100110101111…
…111011100101
3201010001212201
4212233323211
510100022142
61001414501
7152224366
oct46577345
921101781
1010157797
115808781
12349a431
132148640
1414c5b6d
15d59ab7
hex9afee5

10157797 has 4 divisors (see below), whose sum is σ = 10939180. Its totient is φ = 9376416.

The previous prime is 10157779. The next prime is 10157827. The reversal of 10157797 is 79775101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 9247681 = 954^2 + 3041^2 .

It is a cyclic number.

It is not a de Polignac number, because 10157797 - 223 = 1769189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10157767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390672 + ... + 390697.

It is an arithmetic number, because the mean of its divisors is an integer number (2734795).

Almost surely, 210157797 is an apocalyptic number.

It is an amenable number.

10157797 is a deficient number, since it is larger than the sum of its proper divisors (781383).

10157797 is an equidigital number, since it uses as much as digits as its factorization.

10157797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781382.

The product of its (nonzero) digits is 15435, while the sum is 37.

The square root of 10157797 is about 3187.1299000825. The cubic root of 10157797 is about 216.5707712387.

The spelling of 10157797 in words is "ten million, one hundred fifty-seven thousand, seven hundred ninety-seven".

Divisors: 1 13 781369 10157797