Search a number
-
+
88711168 = 213721317
BaseRepresentation
bin1010100100110…
…10000000000000
320011220222211211
411102122000000
5140202224133
612445215504
72125014100
oct522320000
9204828754
1088711168
1146091017
1225861594
13154c0420
14bad3200
157bc4bcd
hex549a000

88711168 has 168 divisors, whose sum is σ = 235325412. Its totient is φ = 33030144.

The previous prime is 88711153. The next prime is 88711201. The reversal of 88711168 is 86111788.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88510464 + 200704 = 9408^2 + 448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 88711168.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5218296 + ... + 5218312.

Almost surely, 288711168 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 88711168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117662706).

88711168 is an abundant number, since it is smaller than the sum of its proper divisors (146614244).

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

88711168 is a wasteful number, since it uses less digits than its factorization.

88711168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 39 counting only the distinct ones).

The product of its digits is 21504, while the sum is 40.

The square root of 88711168 is about 9418.6606266496. The cubic root of 88711168 is about 445.9910043967.

The spelling of 88711168 in words is "eighty-eight million, seven hundred eleven thousand, one hundred sixty-eight".