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6472389 = 371128019
BaseRepresentation
bin11000101100001011000101
3110011211110010
4120230023011
53124104024
6350420433
7106004640
oct30541305
913154403
106472389
113720890
122201719
131458021
14c06a57
1587cb29
hex62c2c5

6472389 has 16 divisors (see below), whose sum is σ = 10759680. Its totient is φ = 3362160.

The previous prime is 6472387. The next prime is 6472421. The reversal of 6472389 is 9832746.

It is not a de Polignac number, because 6472389 - 21 = 6472387 is a prime.

It is a d-powerful number, because it can be written as 64 + 411 + 74 + 221 + 311 + 8 + 92 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13779 + ... + 14240.

It is an arithmetic number, because the mean of its divisors is an integer number (672480).

Almost surely, 26472389 is an apocalyptic number.

It is an amenable number.

6472389 is a deficient number, since it is larger than the sum of its proper divisors (4287291).

6472389 is a wasteful number, since it uses less digits than its factorization.

6472389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28040.

The product of its digits is 72576, while the sum is 39.

The square root of 6472389 is about 2544.0890314610. The cubic root of 6472389 is about 186.3609305684.

The spelling of 6472389 in words is "six million, four hundred seventy-two thousand, three hundred eighty-nine".

Divisors: 1 3 7 11 21 33 77 231 28019 84057 196133 308209 588399 924627 2157463 6472389