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4419289 = 72327449
BaseRepresentation
bin10000110110111011011001
322022112010101
4100312323121
52112404124
6234415401
752364140
oct20667331
98275111
104419289
112549306
121591561
13bb9684
14830757
155c4644
hex436ed9

4419289 has 8 divisors (see below), whose sum is σ = 5270400. Its totient is φ = 3623136.

The previous prime is 4419271. The next prime is 4419293. The reversal of 4419289 is 9829144.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4419289 - 27 = 4419161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4419089) 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 7 ways as a sum of consecutive naturals, for example, 13564 + ... + 13885.

It is an arithmetic number, because the mean of its divisors is an integer number (658800).

Almost surely, 24419289 is an apocalyptic number.

It is an amenable number.

4419289 is a deficient number, since it is larger than the sum of its proper divisors (851111).

4419289 is a wasteful number, since it uses less digits than its factorization.

4419289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27479.

The product of its digits is 20736, while the sum is 37.

The square root of 4419289 is about 2102.2105032560. The cubic root of 4419289 is about 164.1033579086.

It can be divided in two parts, 441 and 9289, that added together give a triangular number (9730 = T139).

The spelling of 4419289 in words is "four million, four hundred nineteen thousand, two hundred eighty-nine".

Divisors: 1 7 23 161 27449 192143 631327 4419289