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53242488 = 23331367283
BaseRepresentation
bin1100101100011…
…0101001111000
310201011222222000
43023012221320
5102112224423
65141101000
71214360625
oct313065170
9121158860
1053242488
1128065962
12159b7760
13b052240
1470dd34c
154a1a843
hex32c6a78

53242488 has 128 divisors (see below), whose sum is σ = 162220800. Its totient is φ = 16080768.

The previous prime is 53242457. The next prime is 53242489. The reversal of 53242488 is 88424235.

53242488 is a `hidden beast` number, since 532 + 42 + 4 + 88 = 666.

53242488 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53242489) 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, 187995 + ... + 188277.

It is an arithmetic number, because the mean of its divisors is an integer number (1267350).

Almost surely, 253242488 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 53242488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81110400).

53242488 is an abundant number, since it is smaller than the sum of its proper divisors (108978312).

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

53242488 is a wasteful number, since it uses less digits than its factorization.

53242488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 368 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 53242488 is about 7296.7450277504. The cubic root of 53242488 is about 376.2005682605.

The spelling of 53242488 in words is "fifty-three million, two hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 67 72 78 104 108 117 134 156 201 216 234 268 283 312 351 402 468 536 566 603 702 804 849 871 936 1132 1206 1404 1608 1698 1742 1809 2264 2412 2547 2613 2808 3396 3484 3618 3679 4824 5094 5226 6792 6968 7236 7358 7641 7839 10188 10452 11037 14472 14716 15282 15678 18961 20376 20904 22074 23517 29432 30564 31356 33111 37922 44148 47034 56883 61128 62712 66222 75844 88296 94068 99333 113766 132444 151688 170649 188136 198666 227532 246493 264888 341298 397332 455064 492986 511947 682596 739479 794664 985972 1023894 1365192 1478958 1971944 2047788 2218437 2957916 4095576 4436874 5915832 6655311 8873748 13310622 17747496 26621244 53242488