Search a number
-
+
52397849448 = 233273141157521
BaseRepresentation
bin110000110011001001…
…111011101101101000
312000020200210112200200
4300303021323231220
51324302322140243
640023215432200
73533316241320
oct606311735550
9160220715620
1052397849448
112024924690a
12a1a3b25660
134c30784859
142770d90280
15156a143ad3
hexc3327bb68

52397849448 has 384 divisors, whose sum is σ = 172922480640. Its totient is φ = 14017536000.

The previous prime is 52397849381. The next prime is 52397849459. The reversal of 52397849448 is 84494879325.

52397849448 is a `hidden beast` number, since 5 + 2 + 39 + 78 + 494 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100571428 + ... + 100571948.

It is an arithmetic number, because the mean of its divisors is an integer number (450318960).

Almost surely, 252397849448 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 52397849448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86461240320).

52397849448 is an abundant number, since it is smaller than the sum of its proper divisors (120524631192).

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

52397849448 is a wasteful number, since it uses less digits than its factorization.

52397849448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 762 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 52397849448 in words is "fifty-two billion, three hundred ninety-seven million, eight hundred forty-nine thousand, four hundred forty-eight".