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2623293 = 3397159
BaseRepresentation
bin1010000000011100111101
311221021111000
422000130331
51132421133
6132120513
731204041
oct12003475
94837430
102623293
111531a12
12a66139
1370b05a
144c4021
1536c413
hex28073d

2623293 has 8 divisors (see below), whose sum is σ = 3886400. Its totient is φ = 1748844.

The previous prime is 2623289. The next prime is 2623331. The reversal of 2623293 is 3923262.

It is not a de Polignac number, because 2623293 - 22 = 2623289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 97159 = 2623293 / (2 + 6 + 2 + 3 + 2 + 9 + 3).

It is a d-powerful number, because it can be written as 29 + 64 + 219 + 32 + 221 + 9 + 33 .

It is a Duffinian number.

2623293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623223) 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, 48553 + ... + 48606.

It is an arithmetic number, because the mean of its divisors is an integer number (485800).

22623293 is an apocalyptic number.

It is an amenable number.

2623293 is a deficient number, since it is larger than the sum of its proper divisors (1263107).

2623293 is an equidigital number, since it uses as much as digits as its factorization.

2623293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97168 (or 97162 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 2623293 is about 1619.6582972961. The cubic root of 2623293 is about 137.9163008522.

It can be divided in two parts, 2623 and 293, that added together give a square (2916 = 542).

The spelling of 2623293 in words is "two million, six hundred twenty-three thousand, two hundred ninety-three".

Divisors: 1 3 9 27 97159 291477 874431 2623293