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52091952 = 2431128969
BaseRepresentation
bin1100011010110…
…1110000110000
310122000112201120
43012231300300
5101313420302
65100302240
71201526403
oct306556060
9118015646
1052091952
112744a500
1215541980
13aa3b653
146cbdd3a
15488e9bc
hex31adc30

52091952 has 60 divisors (see below), whose sum is σ = 147933240. Its totient is φ = 15783680.

The previous prime is 52091947. The next prime is 52091957. The reversal of 52091952 is 25919025.

It is an interprime number because it is at equal distance from previous prime (52091947) and next prime (52091957).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52091957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324 + ... + 10292.

It is an arithmetic number, because the mean of its divisors is an integer number (2465554).

Almost surely, 252091952 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 52091952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73966620).

52091952 is an abundant number, since it is smaller than the sum of its proper divisors (95841288).

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

52091952 is a wasteful number, since it uses less digits than its factorization.

52091952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002 (or 8985 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 52091952 is about 7217.4754589122. The cubic root of 52091952 is about 373.4709937349.

The spelling of 52091952 in words is "fifty-two million, ninety-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1452 1936 2904 5808 8969 17938 26907 35876 53814 71752 98659 107628 143504 197318 215256 295977 394636 430512 591954 789272 1085249 1183908 1578544 2170498 2367816 3255747 4340996 4735632 6511494 8681992 13022988 17363984 26045976 52091952