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20614253 = 1113713679
BaseRepresentation
bin100111010100…
…0110001101101
31102210022102212
41032220301231
520234124003
62013500205
7340134602
oct116506155
942708385
1020614253
11106aa880
126aa1665
134369baa
142a486a9
151c22dd8
hex13a8c6d

20614253 has 8 divisors (see below), whose sum is σ = 22654080. Its totient is φ = 18602080.

The previous prime is 20614249. The next prime is 20614303. The reversal of 20614253 is 35241602.

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 20614253 - 22 = 20614249 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 (20614453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5333 + ... + 8346.

It is an arithmetic number, because the mean of its divisors is an integer number (2831760).

Almost surely, 220614253 is an apocalyptic number.

It is an amenable number.

20614253 is a deficient number, since it is larger than the sum of its proper divisors (2039827).

20614253 is a wasteful number, since it uses less digits than its factorization.

20614253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13827.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20614253 is about 4540.2921712154. The cubic root of 20614253 is about 274.1926868482.

Adding to 20614253 its reverse (35241602), we get a palindrome (55855855).

The spelling of 20614253 in words is "twenty million, six hundred fourteen thousand, two hundred fifty-three".

Divisors: 1 11 137 1507 13679 150469 1874023 20614253