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492489480 = 233571733389
BaseRepresentation
bin11101010110101…
…100101100001000
31021022201001120010
4131112230230020
52002034130410
6120511431520
715130043250
oct3526545410
91238631503
10492489480
11232aa76aa
12118b255a0
137b0556c2
144959c960
152d382c20
hex1d5acb08

492489480 has 128 divisors (see below), whose sum is σ = 1698796800. Its totient is φ = 111885312.

The previous prime is 492489451. The next prime is 492489493. The reversal of 492489480 is 84984294.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143626 + ... + 147014.

It is an arithmetic number, because the mean of its divisors is an integer number (13271850).

Almost surely, 2492489480 is an apocalyptic number.

492489480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492489480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849398400).

492489480 is an abundant number, since it is smaller than the sum of its proper divisors (1206307320).

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

492489480 is a wasteful number, since it uses less digits than its factorization.

492489480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583 (or 3579 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 492489480 is about 22192.1040011983. The cubic root of 492489480 is about 789.7063909183.

The spelling of 492489480 in words is "four hundred ninety-two million, four hundred eighty-nine thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 173 210 280 346 420 519 692 840 865 1038 1211 1384 1730 2076 2422 2595 3389 3460 3633 4152 4844 5190 6055 6778 6920 7266 9688 10167 10380 12110 13556 14532 16945 18165 20334 20760 23723 24220 27112 29064 33890 36330 40668 47446 48440 50835 67780 71169 72660 81336 94892 101670 118615 135560 142338 145320 189784 203340 237230 284676 355845 406680 474460 569352 586297 711690 948920 1172594 1423380 1758891 2345188 2846760 2931485 3517782 4104079 4690376 5862970 7035564 8208158 8794455 11725940 12312237 14071128 16416316 17588910 20520395 23451880 24624474 32832632 35177820 41040790 49248948 61561185 70355640 82081580 98497896 123122370 164163160 246244740 492489480