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331118052 = 223263104917
BaseRepresentation
bin10011101111000…
…111010111100100
3212002001112120120
4103233013113210
51134231234202
652505001540
711130312516
oct2357072744
9762045516
10331118052
1115a9a8991
1292a832b0
13537a4955
1431d93bb6
151e1090bc
hex13bc75e4

331118052 has 24 divisors (see below), whose sum is σ = 775553856. Its totient is φ = 109951968.

The previous prime is 331118041. The next prime is 331118057. The reversal of 331118052 is 250811133.

331118052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (331118057) 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 7 ways as a sum of consecutive naturals, for example, 49303 + ... + 55614.

It is an arithmetic number, because the mean of its divisors is an integer number (32314744).

Almost surely, 2331118052 is an apocalyptic number.

It is an amenable number.

331118052 is an abundant number, since it is smaller than the sum of its proper divisors (444435804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331118052 is a wasteful number, since it uses less digits than its factorization.

331118052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105187 (or 105185 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 331118052 is about 18196.6494718121. The cubic root of 331118052 is about 691.8218687927.

Adding to 331118052 its reverse (250811133), we get a palindrome (581929185).

The spelling of 331118052 in words is "three hundred thirty-one million, one hundred eighteen thousand, fifty-two".

Divisors: 1 2 3 4 6 12 263 526 789 1052 1578 3156 104917 209834 314751 419668 629502 1259004 27593171 55186342 82779513 110372684 165559026 331118052