Search a number
-
+
10213149 = 33404383
BaseRepresentation
bin100110111101…
…011100011101
3201012212210210
4212331130131
510103310044
61002523033
7152544642
oct46753435
921185723
1010213149
115846321
123506479
1321678ab
1414dbdc9
15d6b1b9
hex9bd71d

10213149 has 4 divisors (see below), whose sum is σ = 13617536. Its totient is φ = 6808764.

The previous prime is 10213129. The next prime is 10213157. The reversal of 10213149 is 94131201.

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.

It is not a de Polignac number, because 10213149 - 28 = 10212893 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 (10213109) 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, 1702189 + ... + 1702194.

It is an arithmetic number, because the mean of its divisors is an integer number (3404384).

Almost surely, 210213149 is an apocalyptic number.

It is an amenable number.

10213149 is a deficient number, since it is larger than the sum of its proper divisors (3404387).

10213149 is an equidigital number, since it uses as much as digits as its factorization.

10213149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404386.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10213149 is about 3195.8017773323. The cubic root of 10213149 is about 216.9634389479.

The spelling of 10213149 in words is "ten million, two hundred thirteen thousand, one hundred forty-nine".

Divisors: 1 3 3404383 10213149