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BaseRepresentation
bin1111110010
31101102
433302
513020
64402
72642
oct1762
91342
101010
11839
12702
135c9
14522
15475
hex3f2

1010 has 8 divisors (see below), whose sum is σ = 1836. Its totient is φ = 400.

The previous prime is 1009. The next prime is 1013. The reversal of 1010 is 101.

1010 = 32 + 42 + ... + 142.

1010 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 961 + 49 = 31^2 + 7^2 .

It is a sliding number, since 1010 = 10 + 1000 and 1/10 + 1/1000 = 0.1010.

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

It is a Harshad number since it is a multiple of its sum of digits (2).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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

1010 is an undulating number in base 10.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41 + ... + 60.

1010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010 is a deficient number, since it is larger than the sum of its proper divisors (826).

1010 is a wasteful number, since it uses less digits than its factorization.

1010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108.

The product of its (nonzero) digits is 1, while the sum is 2.

The square root of 1010 is about 31.7804971641. The cubic root of 1010 is about 10.0332228354.

Adding to 1010 its reverse (101), we get a palindrome (1111).

Subtracting from 1010 its reverse (101), we obtain a palindrome (909).

The spelling of 1010 in words is "one thousand, ten", and thus it is an iban number.

Divisors: 1 2 5 10 101 202 505 1010