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3142873 = 31101383
BaseRepresentation
bin1011111111010011011001
312220200012201
423333103121
51301032443
6151210201
735466616
oct13772331
95820181
103142873
111857318
121076961
138606b6
145bb50d
1542134d
hex2ff4d9

3142873 has 4 divisors (see below), whose sum is σ = 3244288. Its totient is φ = 3041460.

The previous prime is 3142861. The next prime is 3142877. The reversal of 3142873 is 3782413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3142873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50661 + ... + 50722.

It is an arithmetic number, because the mean of its divisors is an integer number (811072).

Almost surely, 23142873 is an apocalyptic number.

It is an amenable number.

3142873 is a deficient number, since it is larger than the sum of its proper divisors (101415).

3142873 is a wasteful number, since it uses less digits than its factorization.

3142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101414.

The product of its digits is 4032, while the sum is 28.

The square root of 3142873 is about 1772.8149931676. The cubic root of 3142873 is about 146.4790823843.

The spelling of 3142873 in words is "three million, one hundred forty-two thousand, eight hundred seventy-three".

Divisors: 1 31 101383 3142873