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486812540 = 225591632531
BaseRepresentation
bin11101000001000…
…010101101111100
31020221000122021002
4131001002231330
51444111000130
6120150025432
715030560354
oct3501025574
91227018232
10486812540
1122a87a515
12117048278
1379b18776
1448921b64
152cb10b45
hex1d042b7c

486812540 has 48 divisors (see below), whose sum is σ = 1046424960. Its totient is φ = 190175040.

The previous prime is 486812497. The next prime is 486812591. The reversal of 486812540 is 45218684.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 486812494 and 486812503.

It is a congruent number.

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, 191075 + ... + 193605.

It is an arithmetic number, because the mean of its divisors is an integer number (21800520).

Almost surely, 2486812540 is an apocalyptic number.

It is an amenable number.

486812540 is an abundant number, since it is smaller than the sum of its proper divisors (559612420).

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

486812540 is a wasteful number, since it uses less digits than its factorization.

486812540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 486812540 is about 22063.8287701840. The cubic root of 486812540 is about 786.6603342240.

The spelling of 486812540 in words is "four hundred eighty-six million, eight hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 59 118 163 236 295 326 590 652 815 1180 1630 2531 3260 5062 9617 10124 12655 19234 25310 38468 48085 50620 96170 149329 192340 298658 412553 597316 746645 825106 1493290 1650212 2062765 2986580 4125530 8251060 24340627 48681254 97362508 121703135 243406270 486812540