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2270823 = 31939839
BaseRepresentation
bin1000101010011001100111
311021100222120
420222121213
51040131243
6120401023
725205322
oct10523147
94240876
102270823
111311115
12916173
136167a9
144317b9
152ecc83
hex22a667

2270823 has 8 divisors (see below), whose sum is σ = 3187200. Its totient is φ = 1434168.

The previous prime is 2270803. The next prime is 2270837. The reversal of 2270823 is 3280722.

2270823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2270823 - 25 = 2270791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2270793 and 2270802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19863 + ... + 19976.

It is an arithmetic number, because the mean of its divisors is an integer number (398400).

22270823 is an apocalyptic number.

2270823 is a deficient number, since it is larger than the sum of its proper divisors (916377).

2270823 is a wasteful number, since it uses less digits than its factorization.

2270823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39861.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2270823 is about 1506.9250147237. The cubic root of 2270823 is about 131.4400638636.

The spelling of 2270823 in words is "two million, two hundred seventy thousand, eight hundred twenty-three".

Divisors: 1 3 19 57 39839 119517 756941 2270823