Search a number
-
+
489754089 = 3211193137227
BaseRepresentation
bin11101001100010…
…000110111101001
31021010120002022100
4131030100313221
52000334112324
6120333044013
715064561326
oct3514206751
91233502270
10489754089
112314a9550
12118026609
137a608626
1449089b4d
152cee24c9
hex1d310de9

489754089 has 96 divisors (see below), whose sum is σ = 865013760. Its totient is φ = 263606400.

The previous prime is 489754081. The next prime is 489754093. The reversal of 489754089 is 980457984.

489754089 is a `hidden beast` number, since 4 + 8 + 97 + 540 + 8 + 9 = 666.

It is not a de Polignac number, because 489754089 - 23 = 489754081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489754081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2157394 + ... + 2157620.

It is an arithmetic number, because the mean of its divisors is an integer number (9010560).

Almost surely, 2489754089 is an apocalyptic number.

It is an amenable number.

489754089 is a deficient number, since it is larger than the sum of its proper divisors (375259671).

489754089 is a wasteful number, since it uses less digits than its factorization.

489754089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 489754089 is about 22130.3883608038. The cubic root of 489754089 is about 788.2416100788.

The spelling of 489754089 in words is "four hundred eighty-nine million, seven hundred fifty-four thousand, eighty-nine".

Divisors: 1 3 9 11 19 31 33 37 57 93 99 111 171 209 227 279 333 341 407 589 627 681 703 1023 1147 1221 1767 1881 2043 2109 2497 3069 3441 3663 4313 5301 6327 6479 7037 7491 7733 8399 10323 12617 12939 19437 21111 21793 22473 23199 25197 37851 38817 47443 58311 63333 65379 69597 75591 77407 92389 113553 133703 142329 159581 196137 232221 239723 260369 277167 401109 426987 478743 696663 719169 781107 831501 1203327 1436229 1470733 1755391 2157507 2343321 2864059 4412199 4947011 5266173 8592177 13236597 14841033 15798519 25776531 44523099 54417121 163251363 489754089