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20244093 = 317396943
BaseRepresentation
bin100110100111…
…0011001111101
31102002111200020
41031032121331
520140302333
62001522353
7334033452
oct115163175
942074606
1020244093
1110477761
1269433b9
13426a56c
14298d829
151b9d3b3
hex134e67d

20244093 has 8 divisors (see below), whose sum is σ = 28579968. Its totient is φ = 12702144.

The previous prime is 20244089. The next prime is 20244109. The reversal of 20244093 is 39044202.

It is a happy number.

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

It is not a de Polignac number, because 20244093 - 22 = 20244089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244043) 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, 198421 + ... + 198522.

It is an arithmetic number, because the mean of its divisors is an integer number (3572496).

Almost surely, 220244093 is an apocalyptic number.

It is an amenable number.

20244093 is a deficient number, since it is larger than the sum of its proper divisors (8335875).

20244093 is a wasteful number, since it uses less digits than its factorization.

20244093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396963.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20244093 is about 4499.3436187960. The cubic root of 20244093 is about 272.5415833070.

Adding to 20244093 its reverse (39044202), we get a palindrome (59288295).

The spelling of 20244093 in words is "twenty million, two hundred forty-four thousand, ninety-three".

Divisors: 1 3 17 51 396943 1190829 6748031 20244093