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1030 = 25103
BaseRepresentation
bin10000000110
31102011
4100012
513110
64434
73001
oct2006
91364
101030
11857
1271a
13613
14538
1548a
hex406

1030 has 8 divisors (see below), whose sum is σ = 1872. Its totient is φ = 408.

The previous prime is 1021. The next prime is 1031. The reversal of 1030 is 301.

Adding to 1030 its reverse (301), we get a palindrome (1331).

Subtracting from 1030 its reverse (301), we obtain a 6-th power (729 = 36).

It can be divided in two parts, 10 and 30, that multiplied together give a triangular number (300 = T24).

It is a happy number.

1030 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

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

1030 is a modest number, since divided by 30 gives 10 as remainder.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42 + ... + 61.

It is an arithmetic number, because the mean of its divisors is an integer number (234).

1030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030 is a deficient number, since it is larger than the sum of its proper divisors (842).

1030 is a wasteful number, since it uses less digits than its factorization.

1030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110.

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 1030 is about 32.0936130718. The cubic root of 1030 is about 10.0990163405.

The spelling of 1030 in words is "one thousand, thirty".

Divisors: 1 2 5 10 103 206 515 1030