Search a number
-
+
485073840 = 24354743003
BaseRepresentation
bin11100111010011…
…010001110110000
31020210202022012210
4130322122032300
51443134330330
6120044452120
715010026306
oct3472321660
91223668183
10485073840
112298a2179
1211654a040
137965a254
14485cc276
152c8ba8b0
hex1ce9a3b0

485073840 has 80 divisors (see below), whose sum is σ = 1535758848. Its totient is φ = 126597888.

The previous prime is 485073839. The next prime is 485073847. The reversal of 485073840 is 48370584.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (485073847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10222 + ... + 32781.

Almost surely, 2485073840 is an apocalyptic number.

485073840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485073840 is an abundant number, since it is smaller than the sum of its proper divisors (1050685008).

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

485073840 is a wasteful number, since it uses less digits than its factorization.

485073840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43066 (or 43060 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 485073840 is about 22024.3919325824. The cubic root of 485073840 is about 785.7226714886.

The spelling of 485073840 in words is "four hundred eighty-five million, seventy-three thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 47 48 60 80 94 120 141 188 235 240 282 376 470 564 705 752 940 1128 1410 1880 2256 2820 3760 5640 11280 43003 86006 129009 172012 215015 258018 344024 430030 516036 645045 688048 860060 1032072 1290090 1720120 2021141 2064144 2580180 3440240 4042282 5160360 6063423 8084564 10105705 10320720 12126846 16169128 20211410 24253692 30317115 32338256 40422820 48507384 60634230 80845640 97014768 121268460 161691280 242536920 485073840