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52331070 = 23511347457
BaseRepresentation
bin1100011110100…
…0001000111110
310122110200201210
43013220020332
5101344043240
65105345250
71203543501
oct307501076
9118420653
1052331070
11275a3120
1215638226
13aac343c
146d43138
1548da780
hex31e823e

52331070 has 64 divisors (see below), whose sum is σ = 137707776. Its totient is φ = 12622080.

The previous prime is 52331063. The next prime is 52331077. The reversal of 52331070 is 7013325.

It is a happy number.

52331070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52331063) and next prime (52331077).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52331077) 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 31 ways as a sum of consecutive naturals, for example, 114282 + ... + 114738.

It is an arithmetic number, because the mean of its divisors is an integer number (2151684).

Almost surely, 252331070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52331070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68853888).

52331070 is an abundant number, since it is smaller than the sum of its proper divisors (85376706).

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

52331070 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (52331069) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (825).

52331070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 52331070 is about 7234.0217030363. The cubic root of 52331070 is about 374.0415702980.

Adding to 52331070 its reverse (7013325), we get a palindrome (59344395).

The spelling of 52331070 in words is "fifty-two million, three hundred thirty-one thousand, seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 347 457 694 914 1041 1371 1735 2082 2285 2742 3470 3817 4570 5027 5205 6855 7634 10054 10410 11451 13710 15081 19085 22902 25135 30162 38170 50270 57255 75405 114510 150810 158579 317158 475737 792895 951474 1585790 1744369 2378685 3488738 4757370 5233107 8721845 10466214 17443690 26165535 52331070