Search a number
-
+
27894000 = 243534649
BaseRepresentation
bin110101001101…
…0000011110000
31221111011101010
41222122003300
524120102000
62433510520
7456044421
oct152320360
957434333
1027894000
11148221a2
129412440
135a18534
1439c1648
1526aed50
hex1a9a0f0

27894000 has 80 divisors (see below), whose sum is σ = 89949600. Its totient is φ = 7436800.

The previous prime is 27893993. The next prime is 27894007. The reversal of 27894000 is 49872.

It is an interprime number because it is at equal distance from previous prime (27893993) and next prime (27894007).

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 not an unprimeable number, because it can be changed into a prime (27894007) 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, 3676 + ... + 8324.

It is an arithmetic number, because the mean of its divisors is an integer number (1124370).

Almost surely, 227894000 is an apocalyptic number.

27894000 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 27894000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44974800).

27894000 is an abundant number, since it is smaller than the sum of its proper divisors (62055600).

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

27894000 is a wasteful number, since it uses less digits than its factorization.

27894000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 27894000 is about 5281.4770661246. The cubic root of 27894000 is about 303.2752240121.

The spelling of 27894000 in words is "twenty-seven million, eight 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 1500 2000 3000 4649 6000 9298 13947 18596 23245 27894 37192 46490 55788 69735 74384 92980 111576 116225 139470 185960 223152 232450 278940 348675 371920 464900 557880 581125 697350 929800 1115760 1162250 1394700 1743375 1859600 2324500 2789400 3486750 4649000 5578800 6973500 9298000 13947000 27894000