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2639441 = 71272969
BaseRepresentation
bin1010000100011001010001
311222002122002
422010121101
51133430231
6132323345
731302110
oct12043121
94862562
102639441
111543062
12a73555
137154cc
144c9c77
153720cb
hex284651

2639441 has 8 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 2243808.

The previous prime is 2639431. The next prime is 2639447. The reversal of 2639441 is 1449362.

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

It is a de Polignac number, because none of the positive numbers 2k-2639441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2639447) 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, 596 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

22639441 is an apocalyptic number.

It is an amenable number.

2639441 is a deficient number, since it is larger than the sum of its proper divisors (401839).

2639441 is a wasteful number, since it uses less digits than its factorization.

2639441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103.

The product of its digits is 5184, while the sum is 29.

The square root of 2639441 is about 1624.6356514616. The cubic root of 2639441 is about 138.1987090465.

The spelling of 2639441 in words is "two million, six hundred thirty-nine thousand, four hundred forty-one".

Divisors: 1 7 127 889 2969 20783 377063 2639441