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1490602 = 2745301
BaseRepresentation
bin101101011111010101010
32210201201111
411223322222
5340144402
651540534
715445531
oct5537252
92721644
101490602
11928a03
125ba74a
13402619
142ab318
151e69d7
hex16beaa

1490602 has 4 divisors (see below), whose sum is σ = 2235906. Its totient is φ = 745300.

The previous prime is 1490591. The next prime is 1490603. The reversal of 1490602 is 2060941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2060941 = 5094049.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 488601 = 1001^2 + 699^2 .

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 a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1490603) 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, 372649 + ... + 372652.

21490602 is an apocalyptic number.

1490602 is a deficient number, since it is larger than the sum of its proper divisors (745304).

1490602 is an equidigital number, since it uses as much as digits as its factorization.

1490602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745303.

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

The square root of 1490602 is about 1220.9021254794. The cubic root of 1490602 is about 114.2318560216.

The spelling of 1490602 in words is "one million, four hundred ninety thousand, six hundred two".

Divisors: 1 2 745301 1490602