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489414860 = 225112518863
BaseRepresentation
bin11101001010111…
…110000011001100
31021002220211222022
4131022332003030
52000242233420
6120321505312
715061646324
oct3512760314
91232824868
10489414860
112312976a0
12117aa2238
137a51a0bc
1448ddc284
152ce76c25
hex1d2be0cc

489414860 has 48 divisors (see below), whose sum is σ = 1125798912. Its totient is φ = 177240000.

The previous prime is 489414839. The next prime is 489414881. The reversal of 489414860 is 68414984.

It is an interprime number because it is at equal distance from previous prime (489414839) and next prime (489414881).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50789 + ... + 59651.

It is an arithmetic number, because the mean of its divisors is an integer number (23454144).

Almost surely, 2489414860 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 489414860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562899456).

489414860 is an abundant number, since it is smaller than the sum of its proper divisors (636384052).

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

489414860 is a wasteful number, since it uses less digits than its factorization.

489414860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134 (or 9132 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 489414860 is about 22122.7227076597. The cubic root of 489414860 is about 788.0595757477.

The spelling of 489414860 in words is "four hundred eighty-nine million, four hundred fourteen thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 251 502 1004 1255 2510 2761 5020 5522 8863 11044 13805 17726 27610 35452 44315 55220 88630 97493 177260 194986 389972 487465 974930 1949860 2224613 4449226 8898452 11123065 22246130 24470743 44492260 48941486 97882972 122353715 244707430 489414860