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1490206 = 2745103
BaseRepresentation
bin101101011110100011110
32210201011211
411223310132
5340141311
651535034
715444424
oct5536436
92721154
101490206
11928683
125ba47a
134023a3
142ab114
151e6821
hex16bd1e

1490206 has 4 divisors (see below), whose sum is σ = 2235312. Its totient is φ = 745102.

The previous prime is 1490183. The next prime is 1490207. The reversal of 1490206 is 6020941.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 372550 + ... + 372553.

It is an arithmetic number, because the mean of its divisors is an integer number (558828).

21490206 is an apocalyptic number.

1490206 is a deficient number, since it is larger than the sum of its proper divisors (745106).

1490206 is an equidigital number, since it uses as much as digits as its factorization.

1490206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745105.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1490206 is about 1220.7399395449. The cubic root of 1490206 is about 114.2217393436.

The spelling of 1490206 in words is "one million, four hundred ninety thousand, two hundred six".

Divisors: 1 2 745103 1490206