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19244229 = 39916473
BaseRepresentation
bin100100101101…
…0010011000101
31100012201010020
41021122103011
514411303404
61524245353
7322400424
oct111322305
940181106
1019244229
11a954524
126540859
133caa424
1427ad2bb
151a51ed9
hex125a4c5

19244229 has 8 divisors (see below), whose sum is σ = 25688832. Its totient is φ = 12814560.

The previous prime is 19244213. The next prime is 19244233. The reversal of 19244229 is 92244291.

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

It is not a de Polignac number, because 19244229 - 24 = 19244213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19244229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19244279) 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 7 ways as a sum of consecutive naturals, for example, 264 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (3211104).

Almost surely, 219244229 is an apocalyptic number.

It is an amenable number.

19244229 is a deficient number, since it is larger than the sum of its proper divisors (6444603).

19244229 is an equidigital number, since it uses as much as digits as its factorization.

19244229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7467.

The product of its digits is 10368, while the sum is 33.

The square root of 19244229 is about 4386.8244779111. The cubic root of 19244229 is about 267.9786358926.

The spelling of 19244229 in words is "nineteen million, two hundred forty-four thousand, two hundred twenty-nine".

Divisors: 1 3 991 2973 6473 19419 6414743 19244229