Search a number
-
+
487493560 = 23512187339
BaseRepresentation
bin11101000011101…
…000111110111000
31020222022020110001
4131003220332320
51444244243220
6120212402344
715036425011
oct3503507670
91228266401
10487493560
112301a5144
121173163b4
1379cc6738
1448a5c008
152cbe780a
hex1d0e8fb8

487493560 has 16 divisors (see below), whose sum is σ = 1096860600. Its totient is φ = 194997408.

The previous prime is 487493557. The next prime is 487493561. The reversal of 487493560 is 65394784.

It is a self number, because there is not a number n which added to its sum of digits gives 487493560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487493561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6093630 + ... + 6093709.

Almost surely, 2487493560 is an apocalyptic number.

487493560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487493560 is an abundant number, since it is smaller than the sum of its proper divisors (609367040).

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

487493560 is a wasteful number, since it uses less digits than its factorization.

487493560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187350 (or 12187346 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 487493560 is about 22079.2563280560. The cubic root of 487493560 is about 787.0269926757.

The spelling of 487493560 in words is "four hundred eighty-seven million, four hundred ninety-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 12187339 24374678 48749356 60936695 97498712 121873390 243746780 487493560