Search a number
-
+
1490205 = 3599347
BaseRepresentation
bin101101011110100011101
32210201011210
411223310131
5340141310
651535033
715444423
oct5536435
92721153
101490205
11928682
125ba479
134023a2
142ab113
151e6820
hex16bd1d

1490205 has 8 divisors (see below), whose sum is σ = 2384352. Its totient is φ = 794768.

The previous prime is 1490183. The next prime is 1490207. The reversal of 1490205 is 5020941.

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

It is a cyclic number.

It is not a de Polignac number, because 1490205 - 215 = 1457437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490207) 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 7 ways as a sum of consecutive naturals, for example, 49659 + ... + 49688.

It is an arithmetic number, because the mean of its divisors is an integer number (298044).

21490205 is an apocalyptic number.

1490205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1490205 is a deficient number, since it is larger than the sum of its proper divisors (894147).

1490205 is an equidigital number, since it uses as much as digits as its factorization.

1490205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99355.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1490205 is about 1220.7395299571. The cubic root of 1490205 is about 114.2217137941.

The spelling of 1490205 in words is "one million, four hundred ninety thousand, two hundred five".

Divisors: 1 3 5 15 99347 298041 496735 1490205