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20260363 = 53382271
BaseRepresentation
bin100110101001…
…0011000001011
31102010022222211
41031102120023
520141312423
62002125551
7334132054
oct115223013
942108884
1020260363
1110488a02
1269508b7
134274aa6
14299572b
151ba310d
hex135260b

20260363 has 4 divisors (see below), whose sum is σ = 20642688. Its totient is φ = 19878040.

The previous prime is 20260351. The next prime is 20260367. The reversal of 20260363 is 36306202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20260363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20260367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191083 + ... + 191188.

It is an arithmetic number, because the mean of its divisors is an integer number (5160672).

Almost surely, 220260363 is an apocalyptic number.

20260363 is a deficient number, since it is larger than the sum of its proper divisors (382325).

20260363 is an equidigital number, since it uses as much as digits as its factorization.

20260363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382324.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 20260363 is about 4501.1512971683. The cubic root of 20260363 is about 272.6145768492.

Adding to 20260363 its reverse (36306202), we get a palindrome (56566565).

The spelling of 20260363 in words is "twenty million, two hundred sixty thousand, three hundred sixty-three".

Divisors: 1 53 382271 20260363