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20275303 = 1672727
BaseRepresentation
bin100110101011…
…0000001100111
31102011002111011
41031112001213
520142302203
62002323051
7334223446
oct115260147
942132434
1020275303
1110499154
126959487
13427b829
14299ad5d
151ba776d
hex1356067

20275303 has 6 divisors (see below), whose sum is σ = 20425496. Its totient is φ = 20126172.

The previous prime is 20275289. The next prime is 20275313. The reversal of 20275303 is 30357202.

It is a happy number.

It is not a de Polignac number, because 20275303 - 29 = 20274791 is a prime.

It is a super-2 number, since 2×202753032 = 822175823483618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27526 + ... + 28252.

Almost surely, 220275303 is an apocalyptic number.

20275303 is a deficient number, since it is larger than the sum of its proper divisors (150193).

20275303 is an frugal number, since it uses more digits than its factorization.

20275303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 20275303 is about 4502.8105667461. The cubic root of 20275303 is about 272.6815690855.

The spelling of 20275303 in words is "twenty million, two hundred seventy-five thousand, three hundred three".

Divisors: 1 167 727 27889 121409 20275303