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484840 = 235172331
BaseRepresentation
bin1110110010111101000
3220122002001
41312113220
5111003330
614220344
74056346
oct1662750
9818061
10484840
113012a4
121b46b4
1313c8b5
14c8996
15989ca
hex765e8

484840 has 64 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 168960.

The previous prime is 484829. The next prime is 484853. The reversal of 484840 is 48484.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 484799 and 484808.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15625 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2484840 is an apocalyptic number.

484840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 484840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622080).

484840 is an abundant number, since it is smaller than the sum of its proper divisors (759320).

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

484840 is a wasteful number, since it uses less digits than its factorization.

484840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 484840 is about 696.3045310782. The cubic root of 484840 is about 78.5596393174.

The spelling of 484840 in words is "four hundred eighty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 17 20 23 31 34 40 46 62 68 85 92 115 124 136 155 170 184 230 248 310 340 391 460 527 620 680 713 782 920 1054 1240 1426 1564 1955 2108 2635 2852 3128 3565 3910 4216 5270 5704 7130 7820 10540 12121 14260 15640 21080 24242 28520 48484 60605 96968 121210 242420 484840