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52881984 = 26341012
BaseRepresentation
bin1100100110111…
…0101001000000
310200111200110000
43021232221000
5102014210414
65125240000
71211326611
oct311565100
9120450400
1052881984
112793a021
1215863000
13ac5711c
147047c08
154998b09
hex326ea40

52881984 has 105 divisors (see below), whose sum is σ = 158326201. Its totient is φ = 17452800.

The previous prime is 52881977. The next prime is 52882009. The reversal of 52881984 is 48918825.

It is a happy number.

The square root of 52881984 is 7272.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 50808384 + 2073600 = 7128^2 + 1440^2 .

It is a Duffinian number.

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 523534 + ... + 523634.

Almost surely, 252881984 is an apocalyptic number.

52881984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

52881984 is the 7272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52881984

52881984 is an abundant number, since it is smaller than the sum of its proper divisors (105444217).

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

52881984 is an equidigital number, since it uses as much as digits as its factorization.

52881984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 106 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The cubic root of 52881984 is about 375.3495620491.

The spelling of 52881984 in words is "fifty-two million, eight hundred eighty-one thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 101 108 144 162 192 202 216 288 303 324 404 432 576 606 648 808 864 909 1212 1296 1616 1728 1818 2424 2592 2727 3232 3636 4848 5184 5454 6464 7272 8181 9696 10201 10908 14544 16362 19392 20402 21816 29088 30603 32724 40804 43632 58176 61206 65448 81608 87264 91809 122412 130896 163216 174528 183618 244824 261792 275427 326432 367236 489648 523584 550854 652864 734472 826281 979296 1101708 1468944 1652562 1958592 2203416 2937888 3305124 4406832 5875776 6610248 8813664 13220496 17627328 26440992 52881984