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670713 = 31791249
BaseRepresentation
bin10100011101111111001
31021002001020
42203233321
5132430323
622213053
75462301
oct2435771
91232036
10670713
11418a0a
12284189
131a6394
14136601
15d3ae3
hexa3bf9

670713 has 8 divisors (see below), whose sum is σ = 900000. Its totient is φ = 444288.

The previous prime is 670711. The next prime is 670727. The reversal of 670713 is 317076.

670713 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 670713 - 21 = 670711 is a prime.

670713 is strictly pandigital in base 7.

670713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (670711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (112500).

2670713 is an apocalyptic number.

It is an amenable number.

670713 is a deficient number, since it is larger than the sum of its proper divisors (229287).

670713 is a wasteful number, since it uses less digits than its factorization.

670713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 670713 is about 818.9706954464. The cubic root of 670713 is about 87.5344299879.

Adding to 670713 its reverse (317076), we get a palindrome (987789).

The spelling of 670713 in words is "six hundred seventy thousand, seven hundred thirteen".

Divisors: 1 3 179 537 1249 3747 223571 670713