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10102073 = 37273029
BaseRepresentation
bin100110100010…
…010100111001
3201000020102212
4212202110321
510041231243
61000304505
7151603052
oct46422471
921006385
1010102073
11577a923
123472135
132129177
1414ad729
15d48318
hex9a2539

10102073 has 4 divisors (see below), whose sum is σ = 10375140. Its totient is φ = 9829008.

The previous prime is 10102069. The next prime is 10102109. The reversal of 10102073 is 37020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37020101 = 172177653.

It can be written as a sum of positive squares in 2 ways, for example, as 8219689 + 1882384 = 2867^2 + 1372^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102073 - 22 = 10102069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136478 + ... + 136551.

It is an arithmetic number, because the mean of its divisors is an integer number (2593785).

Almost surely, 210102073 is an apocalyptic number.

It is an amenable number.

10102073 is a deficient number, since it is larger than the sum of its proper divisors (273067).

10102073 is an equidigital number, since it uses as much as digits as its factorization.

10102073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273066.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 10102073 is about 3178.3758430997. The cubic root of 10102073 is about 216.1740209987.

Adding to 10102073 its reverse (37020101), we get a palindrome (47122174).

The spelling of 10102073 in words is "ten million, one hundred two thousand, seventy-three".

Divisors: 1 37 273029 10102073