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680348 = 22792153
BaseRepresentation
bin10100110000110011100
31021120021002
42212012130
5133232343
622325432
75532344
oct2460634
91246232
10680348
11425179
12289878
131aa896
14139d24
15d68b8
hexa619c

680348 has 12 divisors (see below), whose sum is σ = 1206240. Its totient is φ = 335712.

The previous prime is 680347. The next prime is 680353. The reversal of 680348 is 843086.

It is a super-2 number, since 2×6803482 = 925746802208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 680348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680341) 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, 761 + ... + 1392.

It is an arithmetic number, because the mean of its divisors is an integer number (100520).

2680348 is an apocalyptic number.

It is an amenable number.

680348 is a deficient number, since it is larger than the sum of its proper divisors (525892).

680348 is a wasteful number, since it uses less digits than its factorization.

680348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 680348 is about 824.8321041279. The cubic root of 680348 is about 87.9515918332.

The spelling of 680348 in words is "six hundred eighty thousand, three hundred forty-eight".

Divisors: 1 2 4 79 158 316 2153 4306 8612 170087 340174 680348