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20442414 = 236015669
BaseRepresentation
bin100110111111…
…0110100101110
31102110120201110
41031332310232
520213124124
62010052450
7335520606
oct115766456
942416643
1020442414
11105a2763
126a1a126
134309905
142a01c06
151bdc029
hex137ed2e

20442414 has 16 divisors (see below), whose sum is σ = 40960080. Its totient is φ = 6801600.

The previous prime is 20442413. The next prime is 20442427. The reversal of 20442414 is 41424402.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (2560005).

Almost surely, 220442414 is an apocalyptic number.

20442414 is an abundant number, since it is smaller than the sum of its proper divisors (20517666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20442414 is a wasteful number, since it uses less digits than its factorization.

20442414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 20442414 is about 4521.3287869829. The cubic root of 20442414 is about 273.4286761713.

Adding to 20442414 its reverse (41424402), we get a palindrome (61866816).

The spelling of 20442414 in words is "twenty million, four hundred forty-two thousand, four hundred fourteen".

Divisors: 1 2 3 6 601 1202 1803 3606 5669 11338 17007 34014 3407069 6814138 10221207 20442414