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1078 = 27211
BaseRepresentation
bin10000110110
31110221
4100312
513303
64554
73100
oct2066
91427
101078
118a0
1275a
1364c
14570
154bd
hex436

1078 has 12 divisors (see below), whose sum is σ = 2052. Its totient is φ = 420.

The previous prime is 1069. The next prime is 1087. The reversal of 1078 is 8701.

Adding to 1078 its reverse (8701), we get a palindrome (9779).

It can be divided in two parts, 10 and 78, that multiplied together give a triangular number (780 = T39).

1078 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (1069) and next prime (1087).

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

1078 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 in 5 ways as a sum of consecutive naturals, for example, 93 + ... + 103.

It is an arithmetic number, because the mean of its divisors is an integer number (171).

1078 is a deficient number, since it is larger than the sum of its proper divisors (974).

1078 is a wasteful number, since it uses less digits than its factorization.

1078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1078 is about 32.8329103188. The cubic root of 1078 is about 10.2535185224.

The spelling of 1078 in words is "one thousand, seventy-eight".

Divisors: 1 2 7 11 14 22 49 77 98 154 539 1078