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680035 = 5277491
BaseRepresentation
bin10100110000001100011
31021112211111
42212001203
5133230120
622324151
75531416
oct2460143
91245744
10680035
11424a14
12289657
131aa6b5
14139b7d
15d675a
hexa6063

680035 has 8 divisors (see below), whose sum is σ = 820656. Its totient is φ = 540960.

The previous prime is 680027. The next prime is 680039. The reversal of 680035 is 530086.

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

It is not a de Polignac number, because 680035 - 23 = 680027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 679988 and 680015.

It is not an unprimeable number, because it can be changed into a prime (680039) 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, 1140 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (102582).

2680035 is an apocalyptic number.

680035 is a deficient number, since it is larger than the sum of its proper divisors (140621).

680035 is a wasteful number, since it uses less digits than its factorization.

680035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 680035 is about 824.6423467177. The cubic root of 680035 is about 87.9381021333.

Adding to 680035 its reverse (530086), we get a palindrome (1210121).

The spelling of 680035 in words is "six hundred eighty thousand, thirty-five".

Divisors: 1 5 277 491 1385 2455 136007 680035