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671248 = 2441953
BaseRepresentation
bin10100011111000010000
31021002210001
42203320100
5132434443
622215344
75463664
oct2437020
91232701
10671248
11419356
12284554
131a66b6
141368a4
15d3d4d
hexa3e10

671248 has 10 divisors (see below), whose sum is σ = 1300574. Its totient is φ = 335616.

The previous prime is 671233. The next prime is 671249. The reversal of 671248 is 842176.

It can be written as a sum of positive squares in only one way, i.e., 535824 + 135424 = 732^2 + 368^2 .

It is not an unprimeable number, because it can be changed into a prime (671249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20961 + ... + 20992.

2671248 is an apocalyptic number.

It is an amenable number.

671248 is a deficient number, since it is larger than the sum of its proper divisors (629326).

671248 is a wasteful number, since it uses less digits than its factorization.

671248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41961 (or 41955 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 671248 is about 819.2972598514. The cubic root of 671248 is about 87.5576979997.

It can be divided in two parts, 671 and 248, that added together give a palindrome (919).

The spelling of 671248 in words is "six hundred seventy-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 41953 83906 167812 335624 671248