Search a number
-
+
10472021 = 71978737
BaseRepresentation
bin100111111100…
…101001010101
3201201000220122
4213330221111
510140101041
61012241325
7155003450
oct47745125
921630818
1010472021
115a0286a
123610245
132228681
141568497
15dbcc4b
hex9fca55

10472021 has 8 divisors (see below), whose sum is σ = 12598080. Its totient is φ = 8503488.

The previous prime is 10471997. The next prime is 10472047. The reversal of 10472021 is 12027401.

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

It is not a de Polignac number, because 10472021 - 214 = 10455637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10472321) 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, 39236 + ... + 39501.

It is an arithmetic number, because the mean of its divisors is an integer number (1574760).

Almost surely, 210472021 is an apocalyptic number.

It is an amenable number.

10472021 is a deficient number, since it is larger than the sum of its proper divisors (2126059).

10472021 is an equidigital number, since it uses as much as digits as its factorization.

10472021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78763.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 10472021 is about 3236.0502159268. The cubic root of 10472021 is about 218.7812846684.

Adding to 10472021 its reverse (12027401), we get a palindrome (22499422).

The spelling of 10472021 in words is "ten million, four hundred seventy-two thousand, twenty-one".

Divisors: 1 7 19 133 78737 551159 1496003 10472021