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20246527 = 74636247
BaseRepresentation
bin100110100111…
…0111111111111
31102002122000101
41031032333333
520140342102
62001541531
7334043530
oct115167777
942078011
1020246527
1110479574
1269448a7
13426b6c2
142990687
151b9de87
hex134efff

20246527 has 8 divisors (see below), whose sum is σ = 23192576. Its totient is φ = 17313912.

The previous prime is 20246491. The next prime is 20246539. The reversal of 20246527 is 72564202.

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

It is not a de Polignac number, because 20246527 - 27 = 20246399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20246495 and 20246504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118 + ... + 6364.

It is an arithmetic number, because the mean of its divisors is an integer number (2899072).

Almost surely, 220246527 is an apocalyptic number.

20246527 is a deficient number, since it is larger than the sum of its proper divisors (2946049).

20246527 is an equidigital number, since it uses as much as digits as its factorization.

20246527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6717.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 20246527 is about 4499.6140945641. The cubic root of 20246527 is about 272.5525056640.

The spelling of 20246527 in words is "twenty million, two hundred forty-six thousand, five hundred twenty-seven".

Divisors: 1 7 463 3241 6247 43729 2892361 20246527