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498940 = 2251319101
BaseRepresentation
bin1111001110011111100
3221100102021
41321303330
5111431230
614405524
74145431
oct1716374
9840367
10498940
11310952
122008a4
13146140
14cdb88
159cc7a
hex79cfc

498940 has 48 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 172800.

The previous prime is 498937. The next prime is 498947. The reversal of 498940 is 49894.

498940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4989402 = 497882247200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 498896 and 498905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4890 + ... + 4990.

It is an arithmetic number, because the mean of its divisors is an integer number (24990).

2498940 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 498940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599760).

498940 is an abundant number, since it is smaller than the sum of its proper divisors (700580).

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

498940 is a wasteful number, since it uses less digits than its factorization.

498940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 498940 is about 706.3568503243. The cubic root of 498940 is about 79.3139247455.

The spelling of 498940 in words is "four hundred ninety-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 101 130 190 202 247 260 380 404 494 505 988 1010 1235 1313 1919 2020 2470 2626 3838 4940 5252 6565 7676 9595 13130 19190 24947 26260 38380 49894 99788 124735 249470 498940