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2670023 = 4756809
BaseRepresentation
bin1010001011110111000111
312000122120202
422023313013
51140420043
6133121115
731460216
oct12136707
95018522
102670023
111564034
12a8919b
137263c5
144d707d
1537b1b8
hex28bdc7

2670023 has 4 divisors (see below), whose sum is σ = 2726880. Its totient is φ = 2613168.

The previous prime is 2670011. The next prime is 2670029. The reversal of 2670023 is 3200762.

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

It is a cyclic number.

It is not a de Polignac number, because 2670023 - 26 = 2669959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2669977 and 2670004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28358 + ... + 28451.

It is an arithmetic number, because the mean of its divisors is an integer number (681720).

22670023 is an apocalyptic number.

2670023 is a deficient number, since it is larger than the sum of its proper divisors (56857).

2670023 is an equidigital number, since it uses as much as digits as its factorization.

2670023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56856.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2670023 is about 1634.0205017074. The cubic root of 2670023 is about 138.7304092677.

Adding to 2670023 its reverse (3200762), we get a palindrome (5870785).

The spelling of 2670023 in words is "two million, six hundred seventy thousand, twenty-three".

Divisors: 1 47 56809 2670023