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10768389 = 319118793
BaseRepresentation
bin101001000101…
…000000000101
3202021002110020
4221011000011
510224042024
61022445353
7160346502
oct51050005
922232406
1010768389
1160954a5
123733859
132300538
1416044a9
15e2a979
hexa45005

10768389 has 8 divisors (see below), whose sum is σ = 14433792. Its totient is φ = 7140960.

The previous prime is 10768319. The next prime is 10768397. The reversal of 10768389 is 98386701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10768389 - 28 = 10768133 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 10768389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10768319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8824 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (1804224).

Almost surely, 210768389 is an apocalyptic number.

It is an amenable number.

10768389 is a deficient number, since it is larger than the sum of its proper divisors (3665403).

10768389 is a wasteful number, since it uses less digits than its factorization.

10768389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18987.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 10768389 is about 3281.5223601249. The cubic root of 10768389 is about 220.8260200576.

The spelling of 10768389 in words is "ten million, seven hundred sixty-eight thousand, three hundred eighty-nine".

Divisors: 1 3 191 573 18793 56379 3589463 10768389