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490030 = 2549003
BaseRepresentation
bin1110111101000101110
3220220012021
41313220232
5111140110
614300354
74110442
oct1675056
9826167
10490030
11305192
121b76ba
13142078
14ca822
159a2da
hex77a2e

490030 has 8 divisors (see below), whose sum is σ = 882072. Its totient is φ = 196008.

The previous prime is 490019. The next prime is 490031. The reversal of 490030 is 30094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 489986 and 490013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490031) by changing a digit.

490030 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 3 ways as a sum of consecutive naturals, for example, 24492 + ... + 24511.

It is an arithmetic number, because the mean of its divisors is an integer number (110259).

2490030 is an apocalyptic number.

490030 is a deficient number, since it is larger than the sum of its proper divisors (392042).

490030 is a wasteful number, since it uses less digits than its factorization.

490030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49010.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 490030 is about 700.0214282435. The cubic root of 490030 is about 78.8389605238.

The spelling of 490030 in words is "four hundred ninety thousand, thirty".

Divisors: 1 2 5 10 49003 98006 245015 490030