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52331237 = 77475891
BaseRepresentation
bin1100011110100…
…0001011100101
310122110200221222
43013220023211
5101344044422
65105350125
71203544130
oct307501345
9118420858
1052331237
11275a3262
1215638345
13aac353a
146d43217
1548da842
hex31e82e5

52331237 has 4 divisors (see below), whose sum is σ = 59807136. Its totient is φ = 44855340.

The previous prime is 52331207. The next prime is 52331249. The reversal of 52331237 is 73213325.

52331237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52331237 - 212 = 52327141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52331207) 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 3 ways as a sum of consecutive naturals, for example, 3737939 + ... + 3737952.

It is an arithmetic number, because the mean of its divisors is an integer number (14951784).

Almost surely, 252331237 is an apocalyptic number.

It is an amenable number.

52331237 is a deficient number, since it is larger than the sum of its proper divisors (7475899).

52331237 is an equidigital number, since it uses as much as digits as its factorization.

52331237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475898.

The product of its digits is 3780, while the sum is 26.

The square root of 52331237 is about 7234.0332457074. The cubic root of 52331237 is about 374.0419681807.

The spelling of 52331237 in words is "fifty-two million, three hundred thirty-one thousand, two hundred thirty-seven".

Divisors: 1 7 7475891 52331237