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53252268 = 22323613163
BaseRepresentation
bin1100101100100…
…1000010101100
310201012111101020
43023021002230
5102113033033
65141214140
71214431266
oct313110254
9121174336
1053252268
1128072243
1215a01350
13b056824
147102b36
154a1d6b3
hex32c90ac

53252268 has 48 divisors (see below), whose sum is σ = 131824896. Its totient is φ = 16695360.

The previous prime is 53252261. The next prime is 53252293. The reversal of 53252268 is 86225235.

It is not an unprimeable number, because it can be changed into a prime (53252261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15255 + ... + 18417.

It is an arithmetic number, because the mean of its divisors is an integer number (2746352).

Almost surely, 253252268 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 53252268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65912448).

53252268 is an abundant number, since it is smaller than the sum of its proper divisors (78572628).

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

53252268 is a wasteful number, since it uses less digits than its factorization.

53252268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3252 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 53252268 is about 7297.4151588079. The cubic root of 53252268 is about 376.2236013458.

The spelling of 53252268 in words is "fifty-three million, two hundred fifty-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 61 69 92 122 138 183 244 276 366 732 1403 2806 3163 4209 5612 6326 8418 9489 12652 16836 18978 37956 72749 145498 192943 218247 290996 385886 436494 578829 771772 872988 1157658 2315316 4437689 8875378 13313067 17750756 26626134 53252268