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52030331 = 76168371
BaseRepresentation
bin1100011001111…
…0101101111011
310121220102012022
43012132231323
5101304432311
65055105055
71201151633
oct306365573
9117812168
1052030331
1127408181
121551218b
13aa195a2
146ca56c3
15487b5db
hex319eb7b

52030331 has 4 divisors (see below), whose sum is σ = 52099464. Its totient is φ = 51961200.

The previous prime is 52030327. The next prime is 52030339. The reversal of 52030331 is 13303025.

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

It is a cyclic number.

It is not a de Polignac number, because 52030331 - 22 = 52030327 is a prime.

It is a super-2 number, since 2×520303312 = 5414310687939122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52030339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33425 + ... + 34946.

It is an arithmetic number, because the mean of its divisors is an integer number (13024866).

Almost surely, 252030331 is an apocalyptic number.

52030331 is a deficient number, since it is larger than the sum of its proper divisors (69133).

52030331 is an equidigital number, since it uses as much as digits as its factorization.

52030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69132.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 52030331 is about 7213.2053207988. The cubic root of 52030331 is about 373.3236725994.

Adding to 52030331 its reverse (13303025), we get a palindrome (65333356).

The spelling of 52030331 in words is "fifty-two million, thirty thousand, three hundred thirty-one".

Divisors: 1 761 68371 52030331