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52445536 = 25111373157
BaseRepresentation
bin1100100000010…
…0000101100000
310122200111202021
43020010011200
5101411224121
65112031224
71204531303
oct310040540
9118614667
1052445536
1127671120
1215692514
13ab33580
146d72b3a
15490e641
hex3204160

52445536 has 96 divisors (see below), whose sum is σ = 123748128. Its totient is φ = 21565440.

The previous prime is 52445531. The next prime is 52445551. The reversal of 52445536 is 63554425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333970 + ... + 334126.

It is an arithmetic number, because the mean of its divisors is an integer number (1289043).

Almost surely, 252445536 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 52445536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61874064).

52445536 is an abundant number, since it is smaller than the sum of its proper divisors (71302592).

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

52445536 is a wasteful number, since it uses less digits than its factorization.

52445536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 256 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 52445536 is about 7241.9290247834. The cubic root of 52445536 is about 374.3140907669.

Subtracting 52445536 from its reverse (63554425), we obtain a square (11108889 = 33332).

The spelling of 52445536 in words is "fifty-two million, four hundred forty-five thousand, five hundred thirty-six".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 73 88 104 143 146 157 176 208 286 292 314 352 416 572 584 628 803 949 1144 1168 1256 1606 1727 1898 2041 2288 2336 2512 3212 3454 3796 4082 4576 5024 6424 6908 7592 8164 10439 11461 12848 13816 15184 16328 20878 22451 22922 25696 27632 30368 32656 41756 44902 45844 55264 65312 83512 89804 91688 126071 148993 167024 179608 183376 252142 297986 334048 359216 366752 504284 595972 718432 1008568 1191944 1638923 2017136 2383888 3277846 4034272 4767776 6555692 13111384 26222768 52445536