Search a number
-
+
486440 = 23512161
BaseRepresentation
bin1110110110000101000
3220201021022
41312300220
5111031230
614232012
74064123
oct1666050
9821238
10486440
11302519
121b5608
13140546
14c93ba
15991e5
hex76c28

486440 has 16 divisors (see below), whose sum is σ = 1094580. Its totient is φ = 194560.

The previous prime is 486433. The next prime is 486443. The reversal of 486440 is 44684.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 21316 = 682^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (486443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6041 + ... + 6120.

2486440 is an apocalyptic number.

486440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

486440 is an abundant number, since it is smaller than the sum of its proper divisors (608140).

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

486440 is a wasteful number, since it uses less digits than its factorization.

486440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172 (or 12168 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 486440 is about 697.4525073437. The cubic root of 486440 is about 78.6459615463.

The spelling of 486440 in words is "four hundred eighty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 12161 24322 48644 60805 97288 121610 243220 486440