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2666441 = 19140339
BaseRepresentation
bin1010001010111111001001
312000110200002
422022333021
51140311231
6133052345
731443611
oct12127711
95013602
102666441
111561378
12a870b5
1372489b
144d5a41
1537a0cb
hex28afc9

2666441 has 4 divisors (see below), whose sum is σ = 2806800. Its totient is φ = 2526084.

The previous prime is 2666429. The next prime is 2666453. The reversal of 2666441 is 1446662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2666429) and next prime (2666453).

It is a cyclic number.

It is not a de Polignac number, because 2666441 - 214 = 2650057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70151 + ... + 70188.

It is an arithmetic number, because the mean of its divisors is an integer number (701700).

22666441 is an apocalyptic number.

It is an amenable number.

2666441 is a deficient number, since it is larger than the sum of its proper divisors (140359).

2666441 is a wasteful number, since it uses less digits than its factorization.

2666441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140358.

The product of its digits is 6912, while the sum is 29.

The square root of 2666441 is about 1632.9240643704. The cubic root of 2666441 is about 138.6683430466.

The spelling of 2666441 in words is "two million, six hundred sixty-six thousand, four hundred forty-one".

Divisors: 1 19 140339 2666441