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10102793 = 157229281
BaseRepresentation
bin100110100010…
…100000001001
3201000021102112
4212202200021
510041242133
61000312105
7151605131
oct46424011
921007375
1010102793
115780418
123472635
1321295ac
1414adac1
15d48648
hex9a2809

10102793 has 8 divisors (see below), whose sum is σ = 10247880. Its totient is φ = 9959040.

The previous prime is 10102789. The next prime is 10102837. The reversal of 10102793 is 39720101.

It can be written as a sum of positive squares in 4 ways, for example, as 3564544 + 6538249 = 1888^2 + 2557^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10102793 - 22 = 10102789 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 (10102733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35813 + ... + 36093.

It is an arithmetic number, because the mean of its divisors is an integer number (1280985).

Almost surely, 210102793 is an apocalyptic number.

It is an amenable number.

10102793 is a deficient number, since it is larger than the sum of its proper divisors (145087).

10102793 is a wasteful number, since it uses less digits than its factorization.

10102793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 10102793 is about 3178.4891064781. The cubic root of 10102793 is about 216.1791566310.

Adding to 10102793 its reverse (39720101), we get a palindrome (49822894).

The spelling of 10102793 in words is "ten million, one hundred two thousand, seven hundred ninety-three".

Divisors: 1 157 229 281 35953 44117 64349 10102793