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1470145 = 5294029
BaseRepresentation
bin101100110111011000001
32202200122211
411212323001
5334021040
651302121
715332065
oct5467301
92680584
101470145
119145a6
125aa941
133c6211
142a3aa5
151e08ea
hex166ec1

1470145 has 4 divisors (see below), whose sum is σ = 1764180. Its totient is φ = 1176112.

The previous prime is 1470071. The next prime is 1470149. The reversal of 1470145 is 5410741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5410741 = 7772963.

It can be written as a sum of positive squares in 2 ways, for example, as 638401 + 831744 = 799^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1470145 - 213 = 1461953 is a prime.

It is a super-2 number, since 2×14701452 = 4322652642050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1470149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147010 + ... + 147019.

It is an arithmetic number, because the mean of its divisors is an integer number (441045).

21470145 is an apocalyptic number.

It is an amenable number.

1470145 is a deficient number, since it is larger than the sum of its proper divisors (294035).

1470145 is an equidigital number, since it uses as much as digits as its factorization.

1470145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294034.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1470145 is about 1212.4953608159. The cubic root of 1470145 is about 113.7068749296.

Adding to 1470145 its reverse (5410741), we get a palindrome (6880886).

The spelling of 1470145 in words is "one million, four hundred seventy thousand, one hundred forty-five".

Divisors: 1 5 294029 1470145