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670127 = 3121617
BaseRepresentation
bin10100011100110101111
31021001020112
42203212233
5132421002
622210235
75460503
oct2434657
91231215
10670127
11418527
1228397b
131a6033
14136303
15d3852
hexa39af

670127 has 4 divisors (see below), whose sum is σ = 691776. Its totient is φ = 648480.

The previous prime is 670099. The next prime is 670129. The reversal of 670127 is 721076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670127 - 212 = 666031 is a prime.

It is a super-2 number, since 2×6701272 = 898140392258, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670127.

It is not an unprimeable number, because it can be changed into a prime (670129) 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, 10778 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (172944).

2670127 is an apocalyptic number.

670127 is a deficient number, since it is larger than the sum of its proper divisors (21649).

670127 is a wasteful number, since it uses less digits than its factorization.

670127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21648.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 670127 is about 818.6128511085. The cubic root of 670127 is about 87.5089297009.

It can be divided in two parts, 670 and 127, that added together give a palindrome (797).

The spelling of 670127 in words is "six hundred seventy thousand, one hundred twenty-seven".

Divisors: 1 31 21617 670127