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2704989 = 37177577
BaseRepresentation
bin1010010100011001011101
312002102112210
422110121131
51143024424
6133551033
731664160
oct12243135
95072483
102704989
111588331
12aa5479
137392b1
14505ad7
15386729
hex29465d

2704989 has 16 divisors (see below), whose sum is σ = 4364928. Its totient is φ = 1454592.

The previous prime is 2704987. The next prime is 2704993. The reversal of 2704989 is 9894072.

2704989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2704989 - 21 = 2704987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2704981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3432 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (272808).

22704989 is an apocalyptic number.

It is an amenable number.

2704989 is a deficient number, since it is larger than the sum of its proper divisors (1659939).

2704989 is a wasteful number, since it uses less digits than its factorization.

2704989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2704989 is about 1644.6850762380. The cubic root of 2704989 is about 139.3333784839. Note that the first 4 decimals are identical.

The spelling of 2704989 in words is "two million, seven hundred four thousand, nine hundred eighty-nine".

Divisors: 1 3 7 17 21 51 119 357 7577 22731 53039 128809 159117 386427 901663 2704989