Search a number
-
+
87488492 = 22713240353
BaseRepresentation
bin1010011011011…
…11011111101100
320002121212122112
411031233133230
5134344112432
612403103152
72111432330
oct515573754
9202555575
1087488492
1145426443
1225371ab8
1315182a50
14b8957c0
157a327b2
hex536f7ec

87488492 has 24 divisors (see below), whose sum is σ = 188437536. Its totient is φ = 34610688.

The previous prime is 87488491. The next prime is 87488497. The reversal of 87488492 is 29488478.

It is a self number, because there is not a number n which added to its sum of digits gives 87488492.

It is not an unprimeable number, because it can be changed into a prime (87488491) 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, 119813 + ... + 120540.

It is an arithmetic number, because the mean of its divisors is an integer number (7851564).

Almost surely, 287488492 is an apocalyptic number.

It is an amenable number.

87488492 is an abundant number, since it is smaller than the sum of its proper divisors (100949044).

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

87488492 is a wasteful number, since it uses less digits than its factorization.

87488492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240377 (or 240375 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 87488492 is about 9353.5283182337. The cubic root of 87488492 is about 443.9325371623.

The spelling of 87488492 in words is "eighty-seven million, four hundred eighty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 240353 480706 961412 1682471 3124589 3364942 6249178 6729884 12498356 21872123 43744246 87488492