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680286000 = 24353113381
BaseRepresentation
bin101000100011000…
…101011100110000
31202102002002221210
4220203011130300
52343123123000
6151300520120
722600223052
oct5043053460
91672062853
10680286000
1131a004a39
1216b9b0040
13aac291c4
14664c58d2
153eacb350
hex288c5730

680286000 has 80 divisors (see below), whose sum is σ = 2193261408. Its totient is φ = 181408000.

The previous prime is 680285999. The next prime is 680286043. The reversal of 680286000 is 682086.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50691 + ... + 62690.

Almost surely, 2680286000 is an apocalyptic number.

680286000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680286000 is an abundant number, since it is smaller than the sum of its proper divisors (1512975408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680286000 is a wasteful number, since it uses less digits than its factorization.

680286000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113407 (or 113391 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 680286000 is about 26082.2928439967. The cubic root of 680286000 is about 879.4892008073.

The spelling of 680286000 in words is "six hundred eighty million, two hundred eighty-six thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 113381 226762 340143 453524 566905 680286 907048 1133810 1360572 1700715 1814096 2267620 2721144 2834525 3401430 4535240 5442288 5669050 6802860 8503575 9070480 11338100 13605720 14172625 17007150 22676200 27211440 28345250 34014300 42517875 45352400 56690500 68028600 85035750 113381000 136057200 170071500 226762000 340143000 680286000