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2678000 = 245313103
BaseRepresentation
bin1010001101110011110000
312001001112012
422031303300
51141144000
6133222052
731522403
oct12156360
95031465
102678000
11156a026
12a91928
13729c20
144d9d3a
1537d735
hex28dcf0

2678000 has 80 divisors (see below), whose sum is σ = 7041216. Its totient is φ = 979200.

The previous prime is 2677973. The next prime is 2678009. The reversal of 2678000 is 8762.

2678000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25949 + ... + 26051.

22678000 is an apocalyptic number.

2678000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2678000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3520608).

2678000 is an abundant number, since it is smaller than the sum of its proper divisors (4363216).

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

2678000 is a wasteful number, since it uses less digits than its factorization.

2678000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2678000 is about 1636.4595931461. The cubic root of 2678000 is about 138.8684295789.

The spelling of 2678000 in words is "two million, six hundred seventy-eight thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 103 104 125 130 200 206 208 250 260 325 400 412 500 515 520 650 824 1000 1030 1040 1300 1339 1625 1648 2000 2060 2575 2600 2678 3250 4120 5150 5200 5356 6500 6695 8240 10300 10712 12875 13000 13390 20600 21424 25750 26000 26780 33475 41200 51500 53560 66950 103000 107120 133900 167375 206000 267800 334750 535600 669500 1339000 2678000