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10040213 = 23436531
BaseRepresentation
bin100110010011…
…001110010101
3200220002120202
4212103032111
510032241323
6555110245
7151224521
oct46231625
920802522
1010040213
1157383a7
123442385
132106c71
141494d81
15d34d28
hex993395

10040213 has 4 divisors (see below), whose sum is σ = 10476768. Its totient is φ = 9603660.

The previous prime is 10040171. The next prime is 10040221. The reversal of 10040213 is 31204001.

It is a happy number.

10040213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31204001 = 61511541.

It is a cyclic number.

It is not a de Polignac number, because 10040213 - 210 = 10039189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10040194 and 10040203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040273) 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, 218243 + ... + 218288.

It is an arithmetic number, because the mean of its divisors is an integer number (2619192).

Almost surely, 210040213 is an apocalyptic number.

It is an amenable number.

10040213 is a deficient number, since it is larger than the sum of its proper divisors (436555).

10040213 is an equidigital number, since it uses as much as digits as its factorization.

10040213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436554.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10040213 is about 3168.6295144747. The cubic root of 10040213 is about 215.7318703724.

Adding to 10040213 its reverse (31204001), we get a palindrome (41244214).

The spelling of 10040213 in words is "ten million, forty thousand, two hundred thirteen".

Divisors: 1 23 436531 10040213