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8994000 = 243531499
BaseRepresentation
bin100010010011…
…110011010000
3121220221110010
4202103303100
54300302000
6520434520
7136306401
oct42236320
917827403
108994000
115093364
123018a40
131b2b9c2
1412a19a8
15bc9d50
hex893cd0

8994000 has 80 divisors (see below), whose sum is σ = 29016000. Its totient is φ = 2396800.

The previous prime is 8993981. The next prime is 8994017. The reversal of 8994000 is 4998.

It is a Cunningham number, because it is equal to 29992-1.

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 a congruent number.

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, 5251 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

Almost surely, 28994000 is an apocalyptic number.

8994000 is a gapful number since it is divisible by the number (80) 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 8994000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14508000).

8994000 is an abundant number, since it is smaller than the sum of its proper divisors (20022000).

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

8994000 is a wasteful number, since it uses less digits than its factorization.

8994000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 8994000 is about 2998.9998332778. Note that the first 3 decimals coincide. The cubic root of 8994000 is about 207.9621479444.

Adding to 8994000 its reverse (4998), we get a palindrome (8998998).

The spelling of 8994000 in words is "eight million, nine hundred ninety-four 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 1499 1500 2000 2998 3000 4497 5996 6000 7495 8994 11992 14990 17988 22485 23984 29980 35976 37475 44970 59960 71952 74950 89940 112425 119920 149900 179880 187375 224850 299800 359760 374750 449700 562125 599600 749500 899400 1124250 1499000 1798800 2248500 2998000 4497000 8994000