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489260940 = 223574212767
BaseRepresentation
bin11101001010011…
…000011110001100
31021002122000211120
4131022120132030
52000222322230
6120314320540
715060435510
oct3512303614
91232560746
10489260940
112311a1a93
12117a29150
137a49501c
1448d9c140
152ce46310
hex1d29878c

489260940 has 96 divisors (see below), whose sum is σ = 1569921024. Its totient is φ = 111525120.

The previous prime is 489260939. The next prime is 489260951. The reversal of 489260940 is 49062984.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 489260892 and 489260901.

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, 175437 + ... + 178203.

It is an arithmetic number, because the mean of its divisors is an integer number (16353344).

Almost surely, 2489260940 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 489260940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784960512).

489260940 is an abundant number, since it is smaller than the sum of its proper divisors (1080660084).

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

489260940 is a wasteful number, since it uses less digits than its factorization.

489260940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 489260940 is about 22119.2436579554. The cubic root of 489260940 is about 787.9769526958.

The spelling of 489260940 in words is "four hundred eighty-nine million, two hundred sixty thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 421 842 1263 1684 2105 2526 2767 2947 4210 5052 5534 5894 6315 8301 8420 8841 11068 11788 12630 13835 14735 16602 17682 19369 25260 27670 29470 33204 35364 38738 41505 44205 55340 58107 58940 77476 83010 88410 96845 116214 166020 176820 193690 232428 290535 387380 581070 1162140 1164907 2329814 3494721 4659628 5824535 6989442 8154349 11649070 13978884 16308698 17473605 23298140 24463047 32617396 34947210 40771745 48926094 69894420 81543490 97852188 122315235 163086980 244630470 489260940