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52763481 = 34651401
BaseRepresentation
bin1100100101000…
…1101101011001
310200021122220000
43021101231121
5102001412411
65122523213
71210324251
oct311215531
9120248800
1052763481
1127868a91
1215806509
13ac151c4
147016961
154973956
hex3251b59

52763481 has 10 divisors (see below), whose sum is σ = 78819642. Its totient is φ = 35175600.

The previous prime is 52763471. The next prime is 52763489. The reversal of 52763481 is 18436725.

52763481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39803481 + 12960000 = 6309^2 + 3600^2 .

It is not a de Polignac number, because 52763481 - 219 = 52239193 is a prime.

It is a super-2 number, since 2×527634812 = 5567969854474722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52763489) 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 9 ways as a sum of consecutive naturals, for example, 325620 + ... + 325781.

Almost surely, 252763481 is an apocalyptic number.

It is an amenable number.

52763481 is a deficient number, since it is larger than the sum of its proper divisors (26056161).

52763481 is an equidigital number, since it uses as much as digits as its factorization.

52763481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651413 (or 651404 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 52763481 is about 7263.8475341929. The cubic root of 52763481 is about 375.0689793108.

The spelling of 52763481 in words is "fifty-two million, seven hundred sixty-three thousand, four hundred eighty-one".

Divisors: 1 3 9 27 81 651401 1954203 5862609 17587827 52763481