Search a number
-
+
478085020 = 22573414893
BaseRepresentation
bin11100011111101…
…111111110011100
31020022121020100121
4130133233332130
51434342210040
6115235004324
714563440610
oct3437577634
91208536317
10478085020
11225959396
121141396a4
137808115a
14476cd340
152be89c4a
hex1c7eff9c

478085020 has 24 divisors (see below), whose sum is σ = 1147404384. Its totient is φ = 163914816.

The previous prime is 478084991. The next prime is 478085053. The reversal of 478085020 is 20580874.

478085020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707307 + ... + 1707586.

It is an arithmetic number, because the mean of its divisors is an integer number (47808516).

Almost surely, 2478085020 is an apocalyptic number.

It is an amenable number.

478085020 is an abundant number, since it is smaller than the sum of its proper divisors (669319364).

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

478085020 is a wasteful number, since it uses less digits than its factorization.

478085020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414909 (or 3414907 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 478085020 is about 21865.1553847669. The cubic root of 478085020 is about 781.9309053013.

The spelling of 478085020 in words is "four hundred seventy-eight million, eighty-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3414893 6829786 13659572 17074465 23904251 34148930 47808502 68297860 95617004 119521255 239042510 478085020