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489144576 = 2836131039
BaseRepresentation
bin11101001001111…
…100000100000000
31021002102010012210
4131021330010000
52000210111301
6120312022120
715056442324
oct3511740400
91232363183
10489144576
11231122618
12117991940
137a45407b
1448d6b984
152ce21ad6
hex1d27c100

489144576 has 72 divisors (see below), whose sum is σ = 1305216640. Its totient is φ = 162625536.

The previous prime is 489144571. The next prime is 489144599. The reversal of 489144576 is 675441984.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (489144571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470265 + ... + 471303.

Almost surely, 2489144576 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 489144576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652608320).

489144576 is an abundant number, since it is smaller than the sum of its proper divisors (816072064).

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

489144576 is a wasteful number, since it uses less digits than its factorization.

489144576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1657 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 489144576 is about 22116.6131222663. The cubic root of 489144576 is about 787.9144779080.

The spelling of 489144576 in words is "four hundred eighty-nine million, one hundred forty-four thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 613 768 1039 1226 1839 2078 2452 3117 3678 4156 4904 6234 7356 8312 9808 12468 14712 16624 19616 24936 29424 33248 39232 49872 58848 66496 78464 99744 117696 132992 156928 199488 235392 265984 398976 470784 636907 797952 1273814 1910721 2547628 3821442 5095256 7642884 10190512 15285768 20381024 30571536 40762048 61143072 81524096 122286144 163048192 244572288 489144576