Search a number
-
+
88540387340 = 2257013631259
BaseRepresentation
bin101001001110101101…
…0110001100000001100
322110112112100200222012
41102131122301200030
52422312314343330
6104401435440352
76253053606026
oct1223532614014
9273475320865
1088540387340
1134605816539
12151abbb60b8
138470600c52
1443dd10d016
15248315dc95
hex149d6b180c

88540387340 has 24 divisors (see below), whose sum is σ = 185961620880. Its totient is φ = 35411048768.

The previous prime is 88540387321. The next prime is 88540387349. The reversal of 88540387340 is 4378304588.

It is not an unprimeable number, because it can be changed into a prime (88540387349) 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, 175370 + ... + 455889.

It is an arithmetic number, because the mean of its divisors is an integer number (7748400870).

Almost surely, 288540387340 is an apocalyptic number.

It is an amenable number.

88540387340 is an abundant number, since it is smaller than the sum of its proper divisors (97421233540).

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

88540387340 is a wasteful number, since it uses less digits than its factorization.

88540387340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638281 (or 638279 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 88540387340 in words is "eighty-eight billion, five hundred forty million, three hundred eighty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7013 14026 28052 35065 70130 140260 631259 1262518 2525036 3156295 6312590 12625180 4427019367 8854038734 17708077468 22135096835 44270193670 88540387340