Search a number
-
+
52820297376 = 25371141397439
BaseRepresentation
bin110001001100010101…
…011100011010100000
312001100010201010022020
4301030111130122200
51331133444004001
640133150141440
73546636056040
oct611425343240
9161303633266
1052820297376
1120445754230
12a2a14b1880
134c9a155842
1427b1119720
15159228d736
hexc4c55c6a0

52820297376 has 384 divisors, whose sum is σ = 177933127680. Its totient is φ = 13320806400.

The previous prime is 52820297351. The next prime is 52820297377. The reversal of 52820297376 is 67379202825.

It is not an unprimeable number, because it can be changed into a prime (52820297377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120319365 + ... + 120319803.

It is an arithmetic number, because the mean of its divisors is an integer number (463367520).

Almost surely, 252820297376 is an apocalyptic number.

52820297376 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 52820297376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88966563840).

52820297376 is an abundant number, since it is smaller than the sum of its proper divisors (125112830304).

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

52820297376 is a wasteful number, since it uses less digits than its factorization.

52820297376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 52820297376 in words is "fifty-two billion, eight hundred twenty million, two hundred ninety-seven thousand, three hundred seventy-six".