Search a number
-
+
498720 = 25351039
BaseRepresentation
bin1111001110000100000
3221100010010
41321300200
5111424340
614404520
74144665
oct1716040
9840103
10498720
11310772
12200740
13146001
14cda6c
159cb80
hex79c20

498720 has 48 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 132864.

The previous prime is 498691. The next prime is 498733. The reversal of 498720 is 27894.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is an unprimeable number.

498720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2498720 is an apocalyptic number.

498720 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 498720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

498720 is an abundant number, since it is smaller than the sum of its proper divisors (1073760).

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

498720 is a wasteful number, since it uses less digits than its factorization.

498720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 498720 is about 706.2011045021. The cubic root of 498720 is about 79.3022656090.

The spelling of 498720 in words is "four hundred ninety-eight thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1039 2078 3117 4156 5195 6234 8312 10390 12468 15585 16624 20780 24936 31170 33248 41560 49872 62340 83120 99744 124680 166240 249360 498720