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680452 = 22672539
BaseRepresentation
bin10100110001000000100
31021120101221
42212020010
5133233302
622330124
75532553
oct2461004
91246357
10680452
11425263
12289944
131aa946
14139d9a
15d6937
hexa6204

680452 has 12 divisors (see below), whose sum is σ = 1209040. Its totient is φ = 335016.

The previous prime is 680443. The next prime is 680453. The reversal of 680452 is 254086.

It is not an unprimeable number, because it can be changed into a prime (680453) 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, 1002 + ... + 1537.

2680452 is an apocalyptic number.

It is an amenable number.

680452 is a deficient number, since it is larger than the sum of its proper divisors (528588).

680452 is a wasteful number, since it uses less digits than its factorization.

680452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 680452 is about 824.8951448518. The cubic root of 680452 is about 87.9560731180.

The spelling of 680452 in words is "six hundred eighty thousand, four hundred fifty-two".

Divisors: 1 2 4 67 134 268 2539 5078 10156 170113 340226 680452