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10768165 = 52153633
BaseRepresentation
bin101001000100…
…111100100101
3202021002010221
4221010330211
510224040130
61022444341
7160346032
oct51047445
922232127
1010768165
116095311
1237336b1
1323003c5
141604389
15e2a87a
hexa44f25

10768165 has 4 divisors (see below), whose sum is σ = 12921804. Its totient is φ = 8614528.

The previous prime is 10768141. The next prime is 10768187. The reversal of 10768165 is 56186701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56186701 = 271207331.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 9235521 = 1238^2 + 3039^2 .

It is a cyclic number.

It is not a de Polignac number, because 10768165 - 25 = 10768133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10768165.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1076812 + ... + 1076821.

It is an arithmetic number, because the mean of its divisors is an integer number (3230451).

Almost surely, 210768165 is an apocalyptic number.

It is an amenable number.

10768165 is a deficient number, since it is larger than the sum of its proper divisors (2153639).

10768165 is an equidigital number, since it uses as much as digits as its factorization.

10768165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153638.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 10768165 is about 3281.4882294471. The cubic root of 10768165 is about 220.8244888669.

The spelling of 10768165 in words is "ten million, seven hundred sixty-eight thousand, one hundred sixty-five".

Divisors: 1 5 2153633 10768165