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489344320 = 26517233911
BaseRepresentation
bin11101001010101…
…100110101000000
31021002210021012201
4131022230311000
52000233004240
6120320202544
715061233553
oct3512546500
91232707181
10489344320
112312496a3
12117a69454
137a4c3c6a
1448dc069a
152ce60d9a
hex1d2acd40

489344320 has 112 divisors (see below), whose sum is σ = 1287767808. Its totient is φ = 176168960.

The previous prime is 489344309. The next prime is 489344333. The reversal of 489344320 is 23443984.

It is a self number, because there is not a number n which added to its sum of digits gives 489344320.

It is a congruent number.

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, 123165 + ... + 127075.

Almost surely, 2489344320 is an apocalyptic number.

489344320 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 489344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643883904).

489344320 is an abundant number, since it is smaller than the sum of its proper divisors (798423488).

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

489344320 is a wasteful number, since it uses less digits than its factorization.

489344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 489344320 is about 22121.1283618174. The cubic root of 489344320 is about 788.0217125782.

The spelling of 489344320 in words is "four hundred eighty-nine million, three hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 23 32 34 40 46 64 68 80 85 92 115 136 160 170 184 230 272 320 340 368 391 460 544 680 736 782 920 1088 1360 1472 1564 1840 1955 2720 3128 3680 3910 3911 5440 6256 7360 7820 7822 12512 15640 15644 19555 25024 31280 31288 39110 62560 62576 66487 78220 89953 125120 125152 132974 156440 179906 250304 265948 312880 332435 359812 449765 531896 625760 664870 719624 899530 1063792 1251520 1329740 1439248 1529201 1799060 2127584 2659480 2878496 3058402 3598120 4255168 5318960 5756992 6116804 7196240 7646005 10637920 12233608 14392480 15292010 21275840 24467216 28784960 30584020 48934432 61168040 97868864 122336080 244672160 489344320