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52726631 = 61907953
BaseRepresentation
bin1100100100100…
…0101101100111
310200012210100012
43021020231213
5101444223011
65122040435
71210111646
oct311105547
9120183305
1052726631
1127843331
12157a911b
13ac014b9
14700735d
154967a8b
hex3248b67

52726631 has 8 divisors (see below), whose sum is σ = 53706384. Its totient is φ = 51750720.

The previous prime is 52726607. The next prime is 52726637. The reversal of 52726631 is 13662725.

52726631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52726631 is a prime.

It is a super-2 number, since 2×527266312 = 5560195233220322, 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 (52726637) 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 7 ways as a sum of consecutive naturals, for example, 54851 + ... + 55803.

It is an arithmetic number, because the mean of its divisors is an integer number (6713298).

Almost surely, 252726631 is an apocalyptic number.

52726631 is a deficient number, since it is larger than the sum of its proper divisors (979753).

52726631 is an equidigital number, since it uses as much as digits as its factorization.

52726631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its digits is 15120, while the sum is 32.

The square root of 52726631 is about 7261.3105566420. The cubic root of 52726631 is about 374.9816429533.

The spelling of 52726631 in words is "fifty-two million, seven hundred twenty-six thousand, six hundred thirty-one".

Divisors: 1 61 907 953 55327 58133 864371 52726631