Search a number
-
+
10028807 = 83120829
BaseRepresentation
bin100110010000…
…011100000111
3200212111221022
4212100130013
510031410212
6554541355
7151146335
oct46203407
920774838
1010028807
11572a878
12343785b
132101a09
141490b55
15d31772
hex990707

10028807 has 4 divisors (see below), whose sum is σ = 10149720. Its totient is φ = 9907896.

The previous prime is 10028803. The next prime is 10028831. The reversal of 10028807 is 70882001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10028807 - 22 = 10028803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10028803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60332 + ... + 60497.

It is an arithmetic number, because the mean of its divisors is an integer number (2537430).

Almost surely, 210028807 is an apocalyptic number.

10028807 is a deficient number, since it is larger than the sum of its proper divisors (120913).

10028807 is an equidigital number, since it uses as much as digits as its factorization.

10028807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120912.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 10028807 is about 3166.8291712690. The cubic root of 10028807 is about 215.6501466716.

The spelling of 10028807 in words is "ten million, twenty-eight thousand, eight hundred seven".

Divisors: 1 83 120829 10028807