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320023 = 1147619
BaseRepresentation
bin1001110001000010111
3121020222201
41032020113
540220043
610505331
72502004
oct1161027
9536881
10320023
111a9490
12135247
13b2882
14848ab
1564c4d
hex4e217

320023 has 8 divisors (see below), whose sum is σ = 357120. Its totient is φ = 284280.

The previous prime is 320011. The next prime is 320027.

320023 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 320023 - 29 = 319511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319991 and 320009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2320023 is an apocalyptic number.

320023 is a deficient number, since it is larger than the sum of its proper divisors (37097).

320023 is a wasteful number, since it uses less digits than its factorization.

320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 320023 is about 565.7057539039. The cubic root of 320023 is about 68.4006765548.

It can be divided in two parts, 3200 and 23, that added together give a palindrome (3223).

The spelling of 320023 in words is "three hundred twenty thousand, twenty-three", and thus it is an iban number.

Divisors: 1 11 47 517 619 6809 29093 320023