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28114000 = 245314057
BaseRepresentation
bin110101100111…
…1110001010000
31221220100011021
41223033301100
524144122000
62442325224
7460652005
oct153176120
957810137
1028114000
1114962512
1294b9814
135a94705
143a3b8ac
15270511a
hex1acfc50

28114000 has 40 divisors (see below), whose sum is σ = 67984488. Its totient is φ = 11244800.

The previous prime is 28113991. The next prime is 28114003. The reversal of 28114000 is 41182.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6843456 + 21270544 = 2616^2 + 4612^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5029 + ... + 9028.

Almost surely, 228114000 is an apocalyptic number.

28114000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28114000 is an abundant number, since it is smaller than the sum of its proper divisors (39870488).

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

28114000 is a wasteful number, since it uses less digits than its factorization.

28114000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14080 (or 14064 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 28114000 is about 5302.2636675292. The cubic root of 28114000 is about 304.0704476624.

Adding to 28114000 its reverse (41182), we get a palindrome (28155182).

The spelling of 28114000 in words is "twenty-eight million, one hundred fourteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 14057 28114 56228 70285 112456 140570 224912 281140 351425 562280 702850 1124560 1405700 1757125 2811400 3514250 5622800 7028500 14057000 28114000