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10221413 = 31329723
BaseRepresentation
bin100110111111…
…011101100101
3201020022010212
4212333131211
510104041123
61003025205
7152611016
oct46773545
921208125
1010221413
115851554
12350b205
13216b597
14150100d
15d6d878
hex9bf765

10221413 has 4 divisors (see below), whose sum is σ = 10551168. Its totient is φ = 9891660.

The previous prime is 10221397. The next prime is 10221443. The reversal of 10221413 is 31412201.

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 a cyclic number.

It is not a de Polignac number, because 10221413 - 24 = 10221397 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 (10221443) 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, 164831 + ... + 164892.

It is an arithmetic number, because the mean of its divisors is an integer number (2637792).

Almost surely, 210221413 is an apocalyptic number.

It is an amenable number.

10221413 is a deficient number, since it is larger than the sum of its proper divisors (329755).

10221413 is an equidigital number, since it uses as much as digits as its factorization.

10221413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329754.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10221413 is about 3197.0944621640. The cubic root of 10221413 is about 217.0219420428.

Adding to 10221413 its reverse (31412201), we get a palindrome (41633614).

The spelling of 10221413 in words is "ten million, two hundred twenty-one thousand, four hundred thirteen".

Divisors: 1 31 329723 10221413