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42244430 = 254224443
BaseRepresentation
bin1010000100100…
…1100101001110
32221111020110112
42201021211032
541303310210
64105240022
71022033414
oct241114516
987436415
1042244430
1121933958
1212193012
1389a1307
1458792b4
153a96d05
hex284994e

42244430 has 8 divisors (see below), whose sum is σ = 76039992. Its totient is φ = 16897768.

The previous prime is 42244421. The next prime is 42244453. The reversal of 42244430 is 3444224.

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

It is a junction number, because it is equal to n+sod(n) for n = 42244396 and 42244405.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2112212 + ... + 2112231.

It is an arithmetic number, because the mean of its divisors is an integer number (9504999).

Almost surely, 242244430 is an apocalyptic number.

42244430 is a deficient number, since it is larger than the sum of its proper divisors (33795562).

42244430 is a wasteful number, since it uses less digits than its factorization.

42244430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224450.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 42244430 is about 6499.5715243391. The cubic root of 42244430 is about 348.2756821530.

Adding to 42244430 its reverse (3444224), we get a palindrome (45688654).

The spelling of 42244430 in words is "forty-two million, two hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 4224443 8448886 21122215 42244430