Search a number
-
+
489023040 = 26351146309
BaseRepresentation
bin11101001001011…
…110011001000000
31021002011221111110
4131021132121000
52000142214130
6120305243320
715055425102
oct3511363100
91232157443
10489023040
1123104a280
12117933540
137a41095c
1448d39572
152cdeaab0
hex1d25e640

489023040 has 112 divisors (see below), whose sum is σ = 1693834560. Its totient is φ = 118548480.

The previous prime is 489023011. The next prime is 489023053. The reversal of 489023040 is 40320984.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 489022989 and 489023007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12595 + ... + 33714.

Almost surely, 2489023040 is an apocalyptic number.

489023040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489023040 is an abundant number, since it is smaller than the sum of its proper divisors (1204811520).

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

489023040 is a wasteful number, since it uses less digits than its factorization.

489023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46340 (or 46330 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 489023040 is about 22113.8653337674. The cubic root of 489023040 is about 787.8492157402.

The spelling of 489023040 in words is "four hundred eighty-nine million, twenty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 132 160 165 176 192 220 240 264 320 330 352 440 480 528 660 704 880 960 1056 1320 1760 2112 2640 3520 5280 10560 46309 92618 138927 185236 231545 277854 370472 463090 509399 555708 694635 740944 926180 1018798 1111416 1389270 1481888 1528197 1852360 2037596 2222832 2546995 2778540 2963776 3056394 3704720 4075192 4445664 5093990 5557080 6112788 7409440 7640985 8150384 8891328 10187980 11114160 12225576 14818880 15281970 16300768 20375960 22228320 24451152 30563940 32601536 40751920 44456640 48902304 61127880 81503840 97804608 122255760 163007680 244511520 489023040