[go: up one dir, main page]

Search a number
-
+
487482240 = 27357192383
BaseRepresentation
bin11101000011100…
…110001110000000
31020222021122220210
4131003212032000
51444243412430
6120212234120
715036350010
oct3503461600
91228248823
10487482240
11230197693
1211730b940
1379cc153b
1448a57c40
152cbe42b0
hex1d0e6380

487482240 has 512 divisors, whose sum is σ = 1974067200. Its totient is φ = 99753984.

The previous prime is 487482187. The next prime is 487482253. The reversal of 487482240 is 42284784.

It is a Cunningham number, because it is equal to 220792-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5873239 + ... + 5873321.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2487482240 is an apocalyptic number.

487482240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487482240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987033600).

487482240 is an abundant number, since it is smaller than the sum of its proper divisors (1486584960).

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

487482240 is a wasteful number, since it uses less digits than its factorization.

487482240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 487482240 is about 22078.9999773540. Note that the first 4 decimals coincide. The cubic root of 487482240 is about 787.0209008247.

The spelling of 487482240 in words is "four hundred eighty-seven million, four hundred eighty-two thousand, two hundred forty".