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680476 = 221710007
BaseRepresentation
bin10100110001000011100
31021120102211
42212020130
5133233401
622330204
75532616
oct2461034
91246384
10680476
11425285
12289964
131aa964
14139db6
15d6951
hexa621c

680476 has 12 divisors (see below), whose sum is σ = 1261008. Its totient is φ = 320192.

The previous prime is 680453. The next prime is 680489. The reversal of 680476 is 674086.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4936 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (105084).

2680476 is an apocalyptic number.

It is an amenable number.

680476 is a deficient number, since it is larger than the sum of its proper divisors (580532).

680476 is a wasteful number, since it uses less digits than its factorization.

680476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028 (or 10026 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 680476 is about 824.9096920270. The cubic root of 680476 is about 87.9571071958.

It can be divided in two parts, 680 and 476, that added together give a square (1156 = 342).

The spelling of 680476 in words is "six hundred eighty thousand, four hundred seventy-six".

Divisors: 1 2 4 17 34 68 10007 20014 40028 170119 340238 680476