Search a number
-
+
489463452 = 223347211457
BaseRepresentation
bin11101001011001…
…001111010011100
31021010000022122000
4131023021322130
52000300312302
6120322522300
715062241102
oct3513117234
91233008560
10489463452
11231320155
12117b06390
137a53625a
1449011c72
152ce8631c
hex1d2c9e9c

489463452 has 96 divisors (see below), whose sum is σ = 1304970240. Its totient is φ = 158578560.

The previous prime is 489463411. The next prime is 489463459. The reversal of 489463452 is 254364984.

489463452 is a `hidden beast` number, since 4 + 8 + 9 + 4 + 634 + 5 + 2 = 666.

Its product of digits (829440) is a multiple of the sum of its prime divisors (720).

It is a junction number, because it is equal to n+sod(n) for n = 489463398 and 489463407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489463459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1070808 + ... + 1071264.

It is an arithmetic number, because the mean of its divisors is an integer number (13593440).

Almost surely, 2489463452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489463452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652485120).

489463452 is an abundant number, since it is smaller than the sum of its proper divisors (815506788).

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

489463452 is a wasteful number, since it uses less digits than its factorization.

489463452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 720 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 489463452 is about 22123.8209177348. The cubic root of 489463452 is about 788.0856559555.

The spelling of 489463452 in words is "four hundred eighty-nine million, four hundred sixty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 211 282 422 423 457 564 633 844 846 914 1266 1269 1371 1692 1828 1899 2532 2538 2742 3798 4113 5076 5484 5697 7596 8226 9917 11394 12339 16452 19834 21479 22788 24678 29751 39668 42958 49356 59502 64437 85916 89253 96427 119004 128874 178506 192854 193311 257748 267759 289281 357012 385708 386622 535518 578562 579933 773244 867843 1071036 1157124 1159866 1735686 2319732 2603529 3471372 4532069 5207058 9064138 10414116 13596207 18128276 27192414 40788621 54384828 81577242 122365863 163154484 244731726 489463452