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3145075 = 52125803
BaseRepresentation
bin1011111111110101110011
312220210020021
423333311303
51301120300
6151224311
735506213
oct13776563
95823207
103145075
111858a3a
121078097
138616bb
145bc243
15421d1a
hex2ffd73

3145075 has 6 divisors (see below), whose sum is σ = 3899924. Its totient is φ = 2516040.

The previous prime is 3145057. The next prime is 3145091. The reversal of 3145075 is 5705413.

It is not a de Polignac number, because 3145075 - 211 = 3143027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 125803 = 3145075 / (3 + 1 + 4 + 5 + 0 + 7 + 5).

It is a Duffinian number.

3145075 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62877 + ... + 62926.

Almost surely, 23145075 is an apocalyptic number.

3145075 is a deficient number, since it is larger than the sum of its proper divisors (754849).

3145075 is a wasteful number, since it uses less digits than its factorization.

3145075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125813 (or 125808 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 3145075 is about 1773.4359306160. The cubic root of 3145075 is about 146.5132837493.

The spelling of 3145075 in words is "three million, one hundred forty-five thousand, seventy-five".

Divisors: 1 5 25 125803 629015 3145075