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53015256 = 2333725009
BaseRepresentation
bin1100101000111…
…1001011011000
310200202110021000
43022033023120
5102032442011
65132145000
71212423300
oct312171330
9120673230
1053015256
1127a20168
1215908160
13aca2998
147080600
1549c3356
hex328f2d8

53015256 has 96 divisors (see below), whose sum is σ = 171342000. Its totient is φ = 15144192.

The previous prime is 53015167. The next prime is 53015273. The reversal of 53015256 is 65251035.

53015256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 8080 + ... + 13088.

Almost surely, 253015256 is an apocalyptic number.

53015256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53015256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85671000).

53015256 is an abundant number, since it is smaller than the sum of its proper divisors (118326744).

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

53015256 is a wasteful number, since it uses less digits than its factorization.

53015256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 53015256 is about 7281.1576002721. The cubic root of 53015256 is about 375.6646134082.

The spelling of 53015256 in words is "fifty-three million, fifteen thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 84 98 108 126 147 168 189 196 216 252 294 378 392 441 504 588 756 882 1176 1323 1512 1764 2646 3528 5009 5292 10018 10584 15027 20036 30054 35063 40072 45081 60108 70126 90162 105189 120216 135243 140252 180324 210378 245441 270486 280504 315567 360648 420756 490882 540972 631134 736323 841512 946701 981764 1081944 1262268 1472646 1893402 1963528 2208969 2524536 2945292 3786804 4417938 5890584 6626907 7573608 8835876 13253814 17671752 26507628 53015256