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680593 = 23127233
BaseRepresentation
bin10100110001010010001
31021120121011
42212022101
5133234333
622330521
75533144
oct2461221
91246534
10680593
11425381
12289a41
131aaa24
1413a05b
15d69cd
hexa6291

680593 has 8 divisors (see below), whose sum is σ = 718848. Its totient is φ = 643104.

The previous prime is 680587. The next prime is 680597. The reversal of 680593 is 395086.

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

It is a cyclic number.

It is not a de Polignac number, because 680593 - 29 = 680081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680597) 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, 2805 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2680593 is an apocalyptic number.

It is an amenable number.

680593 is a deficient number, since it is larger than the sum of its proper divisors (38255).

680593 is a wasteful number, since it uses less digits than its factorization.

680593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 680593 is about 824.9806058326. The cubic root of 680593 is about 87.9621479770.

The spelling of 680593 in words is "six hundred eighty thousand, five hundred ninety-three".

Divisors: 1 23 127 233 2921 5359 29591 680593