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671253 = 31120341
BaseRepresentation
bin10100011111000010101
31021002210020
42203320111
5132440003
622215353
75464002
oct2437025
91232706
10671253
11419360
12284559
131a66bb
141368a9
15d3d53
hexa3e15

671253 has 8 divisors (see below), whose sum is σ = 976416. Its totient is φ = 406800.

The previous prime is 671249. The next prime is 671257. The reversal of 671253 is 352176.

671253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (671249) and next prime (671257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671253 - 22 = 671249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10138 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (122052).

2671253 is an apocalyptic number.

It is an amenable number.

671253 is a deficient number, since it is larger than the sum of its proper divisors (305163).

671253 is a wasteful number, since it uses less digits than its factorization.

671253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20355.

The product of its digits is 1260, while the sum is 24.

The square root of 671253 is about 819.3003112412. The cubic root of 671253 is about 87.5579153994.

The spelling of 671253 in words is "six hundred seventy-one thousand, two hundred fifty-three".

Divisors: 1 3 11 33 20341 61023 223751 671253