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854023 = 4319861
BaseRepresentation
bin11010000100000000111
31121101111111
43100200013
5204312043
630145451
710154602
oct3204007
91541444
10854023
11533705
12352287
1323b951
14183339
1511d09d
hexd0807

854023 has 4 divisors (see below), whose sum is σ = 873928. Its totient is φ = 834120.

The previous prime is 854017. The next prime is 854033. The reversal of 854023 is 320458.

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-854023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 853985 and 854003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854033) 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 3 ways as a sum of consecutive naturals, for example, 9888 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (218482).

2854023 is an apocalyptic number.

854023 is a deficient number, since it is larger than the sum of its proper divisors (19905).

854023 is a wasteful number, since it uses less digits than its factorization.

854023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19904.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 854023 is about 924.1336483431. The cubic root of 854023 is about 94.8760340592.

The spelling of 854023 in words is "eight hundred fifty-four thousand, twenty-three".

Divisors: 1 43 19861 854023