Search a number
-
+
10020423 = 37477163
BaseRepresentation
bin100110001110…
…011001000111
3200212002102210
4212032121013
510031123143
6554434503
7151113030
oct46163107
920762383
1010020423
115724546
123432a33
1320cac5a
14148ba87
15d2e033
hex98e647

10020423 has 8 divisors (see below), whose sum is σ = 15269248. Its totient is φ = 5725944.

The previous prime is 10020407. The next prime is 10020431. The reversal of 10020423 is 32402001.

10020423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10020423 - 24 = 10020407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020399 and 10020408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020403) 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, 238561 + ... + 238602.

It is an arithmetic number, because the mean of its divisors is an integer number (1908656).

Almost surely, 210020423 is an apocalyptic number.

10020423 is a deficient number, since it is larger than the sum of its proper divisors (5248825).

10020423 is an equidigital number, since it uses as much as digits as its factorization.

10020423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477173.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 10020423 is about 3165.5051729542. The cubic root of 10020423 is about 215.5900360027.

Adding to 10020423 its reverse (32402001), we get a palindrome (42422424).

The spelling of 10020423 in words is "ten million, twenty thousand, four hundred twenty-three".

Divisors: 1 3 7 21 477163 1431489 3340141 10020423