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2078 = 21039
BaseRepresentation
bin100000011110
32211222
4200132
531303
613342
76026
oct4036
92758
102078
11161a
121252
13c3b
14a86
15938
hex81e

2078 has 4 divisors (see below), whose sum is σ = 3120. Its totient is φ = 1038.

The previous prime is 2069. The next prime is 2081. The reversal of 2078 is 8702.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

2078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (780).

22078 is an apocalyptic number.

2078 is a deficient number, since it is larger than the sum of its proper divisors (1042).

2078 is a wasteful number, since it uses less digits than its factorization.

2078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2078 is about 45.5850852802. The cubic root of 2078 is about 12.7609159368.

The spelling of 2078 in words is "two thousand, seventy-eight".

Divisors: 1 2 1039 2078