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671275 = 52112441
BaseRepresentation
bin10100011111000101011
31021002211001
42203320223
5132440100
622215431
75464033
oct2437053
91232731
10671275
11419380
12284577
131a6707
141368c3
15d3d6a
hexa3e2b

671275 has 12 divisors (see below), whose sum is σ = 908424. Its totient is φ = 488000.

The previous prime is 671269. The next prime is 671287. The reversal of 671275 is 572176.

It is not a de Polignac number, because 671275 - 29 = 670763 is a prime.

It is a super-2 number, since 2×6712752 = 901220251250, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 946 + ... + 1495.

It is an arithmetic number, because the mean of its divisors is an integer number (75702).

2671275 is an apocalyptic number.

671275 is a deficient number, since it is larger than the sum of its proper divisors (237149).

671275 is a wasteful number, since it uses less digits than its factorization.

671275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 2457 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 671275 is about 819.3137372216. The cubic root of 671275 is about 87.5588719454.

Subtracting from 671275 its reverse (572176), we obtain a palindrome (99099).

It can be divided in two parts, 671 and 275, that added together give a triangular number (946 = T43).

The spelling of 671275 in words is "six hundred seventy-one thousand, two hundred seventy-five".

Divisors: 1 5 11 25 55 275 2441 12205 26851 61025 134255 671275