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20144333 = 117125793
BaseRepresentation
bin100110011011…
…0000011001101
31101220102211102
41030312003031
520124104313
61555432445
7333136556
oct114660315
941812742
1020144333
1110409810
1268b5725
134234031
14296532d
151b7da58
hex13360cd

20144333 has 8 divisors (see below), whose sum is σ = 22286016. Its totient is φ = 18054400.

The previous prime is 20144321. The next prime is 20144347. The reversal of 20144333 is 33344102.

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 20144333 - 28 = 20144077 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 (20144633) 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, 12116 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (2785752).

Almost surely, 220144333 is an apocalyptic number.

It is an amenable number.

20144333 is a deficient number, since it is larger than the sum of its proper divisors (2141683).

20144333 is a wasteful number, since it uses less digits than its factorization.

20144333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25875.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20144333 is about 4488.2438659235. The cubic root of 20144333 is about 272.0931639125.

Adding to 20144333 its reverse (33344102), we get a palindrome (53488435).

The spelling of 20144333 in words is "twenty million, one hundred forty-four thousand, three hundred thirty-three".

Divisors: 1 11 71 781 25793 283723 1831303 20144333