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668882000 = 245317103191
BaseRepresentation
bin100111110111100…
…101010001010000
31201121121201121102
4213313211101100
52332213211000
6150212243532
722401255203
oct4767452120
91647551542
10668882000
11313625a46
121680105a8
13a8765587
1464b9793a
153dac73d5
hex27de5450

668882000 has 160 divisors (see below), whose sum is σ = 1738174464. Its totient is φ = 248064000.

The previous prime is 668881987. The next prime is 668882029. The reversal of 668882000 is 288866.

668882000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3501905 + ... + 3502095.

Almost surely, 2668882000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 668882000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869087232).

668882000 is an abundant number, since it is smaller than the sum of its proper divisors (1069292464).

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

668882000 is a wasteful number, since it uses less digits than its factorization.

668882000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 668882000 is about 25862.7531403754. The cubic root of 668882000 is about 874.5470308540.

It can be divided in two parts, 6688 and 82000, that added together give a palindrome (88688).

The spelling of 668882000 in words is "six hundred sixty-eight million, eight hundred eighty-two thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 103 125 136 170 191 200 206 250 272 340 382 400 412 425 500 515 680 764 824 850 955 1000 1030 1360 1528 1648 1700 1751 1910 2000 2060 2125 2575 3056 3247 3400 3502 3820 4120 4250 4775 5150 6494 6800 7004 7640 8240 8500 8755 9550 10300 12875 12988 14008 15280 16235 17000 17510 19100 19673 20600 23875 25750 25976 28016 32470 34000 35020 38200 39346 41200 43775 47750 51500 51952 64940 70040 76400 78692 81175 87550 95500 98365 103000 129880 140080 157384 162350 175100 191000 196730 206000 218875 259760 314768 324700 334441 350200 382000 393460 405875 437750 491825 649400 668882 700400 786920 811750 875500 983650 1298800 1337764 1573840 1623500 1672205 1751000 1967300 2459125 2675528 3247000 3344410 3502000 3934600 4918250 5351056 6494000 6688820 7869200 8361025 9836500 13377640 16722050 19673000 26755280 33444100 39346000 41805125 66888200 83610250 133776400 167220500 334441000 668882000