Search a number
-
+
5208557984 = 257107217313
BaseRepresentation
bin1001101100111010…
…00100100110100000
3111102222211011022222
410312131010212200
541131342323414
62220501250212
7243034004150
oct46635044640
914388734288
105208557984
112233105783
121014403968
13650121296
14375a70760
1520740168e
hex1367449a0

5208557984 has 48 divisors (see below), whose sum is σ = 11828835648. Its totient is φ = 2211366912.

The previous prime is 5208557983. The next prime is 5208557993. The reversal of 5208557984 is 4897558025.

It is not an unprimeable number, because it can be changed into a prime (5208557983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84689 + ... + 132624.

It is an arithmetic number, because the mean of its divisors is an integer number (246434076).

Almost surely, 25208557984 is an apocalyptic number.

It is an amenable number.

5208557984 is an abundant number, since it is smaller than the sum of its proper divisors (6620277664).

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

5208557984 is a wasteful number, since it uses less digits than its factorization.

5208557984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217437 (or 217429 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The square root of 5208557984 is about 72170.3400573948. The cubic root of 5208557984 is about 1733.4281077699.

The spelling of 5208557984 in words is "five billion, two hundred eight million, five hundred fifty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 107 112 214 224 428 749 856 1498 1712 2996 3424 5992 11984 23968 217313 434626 869252 1521191 1738504 3042382 3477008 6084764 6954016 12169528 23252491 24339056 46504982 48678112 93009964 162767437 186019928 325534874 372039856 651069748 744079712 1302139496 2604278992 5208557984