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20414255 = 55038117
BaseRepresentation
bin100110111011…
…1111100101111
31102102011002112
41031313330233
520211224010
62005314235
7335342531
oct115677457
942364075
1020414255
1110583594
126a0597b
1342c9b54
1429d5851
151bd3a05
hex1377f2f

20414255 has 8 divisors (see below), whose sum is σ = 24548832. Its totient is φ = 16296928.

The previous prime is 20414243. The next prime is 20414257. The reversal of 20414255 is 55241402.

It is a happy number.

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 20414255 - 210 = 20413231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20414255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414257) 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, 1544 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (3068604).

Almost surely, 220414255 is an apocalyptic number.

20414255 is a deficient number, since it is larger than the sum of its proper divisors (4134577).

20414255 is an equidigital number, since it uses as much as digits as its factorization.

20414255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 20414255 is about 4518.2136956988. The cubic root of 20414255 is about 273.3030710432.

Adding to 20414255 its reverse (55241402), we get a palindrome (75655657).

The spelling of 20414255 in words is "twenty million, four hundred fourteen thousand, two hundred fifty-five".

Divisors: 1 5 503 2515 8117 40585 4082851 20414255