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2666233 = 9772729
BaseRepresentation
bin1010001010111011111001
312000110101101
422022323321
51140304413
6133051401
731443163
oct12127371
95013341
102666233
1115611a9
12a86b61
1372476b
144d5933
15379edd
hex28aef9

2666233 has 4 divisors (see below), whose sum is σ = 2669940. Its totient is φ = 2662528.

The previous prime is 2666227. The next prime is 2666267. The reversal of 2666233 is 3326662.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 131769 = 1592^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666233 - 25 = 2666201 is a prime.

It is a Duffinian number.

2666233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2666273) 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, 388 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (667485).

22666233 is an apocalyptic number.

It is an amenable number.

2666233 is a deficient number, since it is larger than the sum of its proper divisors (3707).

2666233 is an equidigital number, since it uses as much as digits as its factorization.

2666233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706.

The product of its digits is 7776, while the sum is 28.

The square root of 2666233 is about 1632.8603737001. The cubic root of 2666233 is about 138.6647372708.

The spelling of 2666233 in words is "two million, six hundred sixty-six thousand, two hundred thirty-three".

Divisors: 1 977 2729 2666233