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53332620 = 223511194253
BaseRepresentation
bin1100101101110…
…0101010001100
310201100120121020
43023130222030
5102123120440
65143034140
71215214455
oct313345214
9121316536
1053332620
1128117650
1215a3b950
13b084283
14712412c
154a373d0
hex32dca8c

53332620 has 96 divisors (see below), whose sum is σ = 171521280. Its totient is φ = 12245760.

The previous prime is 53332567. The next prime is 53332667. The reversal of 53332620 is 2623335.

53332620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 10414 + ... + 14666.

It is an arithmetic number, because the mean of its divisors is an integer number (1786680).

Almost surely, 253332620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53332620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85760640).

53332620 is an abundant number, since it is smaller than the sum of its proper divisors (118188660).

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

53332620 is a wasteful number, since it uses less digits than its factorization.

53332620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 53332620 is about 7302.9185946442. The cubic root of 53332620 is about 376.4127333640.

Adding to 53332620 its reverse (2623335), we get a palindrome (55955955).

It can be divided in two parts, 533 and 32620, that added together give a triangular number (33153 = T257).

The spelling of 53332620 in words is "fifty-three million, three hundred thirty-two thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 19 20 22 30 33 38 44 55 57 60 66 76 95 110 114 132 165 190 209 220 228 285 330 380 418 570 627 660 836 1045 1140 1254 2090 2508 3135 4180 4253 6270 8506 12540 12759 17012 21265 25518 42530 46783 51036 63795 80807 85060 93566 127590 140349 161614 187132 233915 242421 255180 280698 323228 404035 467830 484842 561396 701745 808070 888877 935660 969684 1212105 1403490 1616140 1777754 2424210 2666631 2806980 3555508 4444385 4848420 5333262 8888770 10666524 13333155 17777540 26666310 53332620