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1490601 = 3770981
BaseRepresentation
bin101101011111010101001
32210201201110
411223322221
5340144401
651540533
715445530
oct5537251
92721643
101490601
11928a02
125ba749
13402618
142ab317
151e69d6
hex16bea9

1490601 has 8 divisors (see below), whose sum is σ = 2271424. Its totient is φ = 851760.

The previous prime is 1490591. The next prime is 1490603. The reversal of 1490601 is 1060941.

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

It is not a de Polignac number, because 1490601 - 29 = 1490089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 70981 = 1490601 / (1 + 4 + 9 + 0 + 6 + 0 + 1).

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 35470 + ... + 35511.

It is an arithmetic number, because the mean of its divisors is an integer number (283928).

21490601 is an apocalyptic number.

It is an amenable number.

1490601 is a deficient number, since it is larger than the sum of its proper divisors (780823).

1490601 is an equidigital number, since it uses as much as digits as its factorization.

1490601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70991.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1490601 is about 1220.9017159460. The cubic root of 1490601 is about 114.2318304767.

The spelling of 1490601 in words is "one million, four hundred ninety thousand, six hundred one".

Divisors: 1 3 7 21 70981 212943 496867 1490601