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890768111 = 4718952513
BaseRepresentation
bin110101000110000…
…000101011101111
32022002010201010112
4311012000223233
53311014034421
6224220130235
731034255402
oct6506005357
92262121115
10890768111
114178a72a2
1220a39697b
1311271362c
1486435d39
155330645b
hex35180aef

890768111 has 4 divisors (see below), whose sum is σ = 909720672. Its totient is φ = 871815552.

The previous prime is 890768101. The next prime is 890768129. The reversal of 890768111 is 111867098.

890768111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-890768111 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 (890768101) 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, 9476210 + ... + 9476303.

It is an arithmetic number, because the mean of its divisors is an integer number (227430168).

Almost surely, 2890768111 is an apocalyptic number.

890768111 is a deficient number, since it is larger than the sum of its proper divisors (18952561).

890768111 is a wasteful number, since it uses less digits than its factorization.

890768111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952560.

The product of its (nonzero) digits is 24192, while the sum is 41.

The square root of 890768111 is about 29845.7385735384. The cubic root of 890768111 is about 962.1768134249.

The spelling of 890768111 in words is "eight hundred ninety million, seven hundred sixty-eight thousand, one hundred eleven".

Divisors: 1 47 18952513 890768111