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3143001 = 31047667
BaseRepresentation
bin1011111111010101011001
312220200101110
423333111121
51301034001
6151210533
735500161
oct13772531
95820343
103143001
111857424
121076a49
13860784
145bb5a1
154213d6
hex2ff559

3143001 has 4 divisors (see below), whose sum is σ = 4190672. Its totient is φ = 2095332.

The previous prime is 3142987. The next prime is 3143003. The reversal of 3143001 is 1003413.

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 not a de Polignac number, because 3143001 - 25 = 3142969 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3143003) 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, 523831 + ... + 523836.

It is an arithmetic number, because the mean of its divisors is an integer number (1047668).

Almost surely, 23143001 is an apocalyptic number.

It is an amenable number.

3143001 is a deficient number, since it is larger than the sum of its proper divisors (1047671).

3143001 is a wasteful number, since it uses less digits than its factorization.

3143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047670.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3143001 is about 1772.8510935778. The cubic root of 3143001 is about 146.4810709118.

Adding to 3143001 its reverse (1003413), we get a palindrome (4146414).

The spelling of 3143001 in words is "three million, one hundred forty-three thousand, one".

Divisors: 1 3 1047667 3143001