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383442349 = 894308341
BaseRepresentation
bin10110110110101…
…101110110101101
3222201111220000111
4112312231312231
51241130123344
6102014300021
712334130503
oct2666556655
9881456014
10383442349
11187496a04
12a84b7611
1361594c84
1438cd4673
15239e2834
hex16daddad

383442349 has 4 divisors (see below), whose sum is σ = 387750780. Its totient is φ = 379133920.

The previous prime is 383442329. The next prime is 383442377. The reversal of 383442349 is 943244383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29626249 + 353816100 = 5443^2 + 18810^2 .

It is a cyclic number.

It is not a de Polignac number, because 383442349 - 29 = 383441837 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383442329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154082 + ... + 2154259.

It is an arithmetic number, because the mean of its divisors is an integer number (96937695).

Almost surely, 2383442349 is an apocalyptic number.

It is an amenable number.

383442349 is a deficient number, since it is larger than the sum of its proper divisors (4308431).

383442349 is an equidigital number, since it uses as much as digits as its factorization.

383442349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308430.

The product of its digits is 248832, while the sum is 40.

The square root of 383442349 is about 19581.6840184903. The cubic root of 383442349 is about 726.4962197609.

The spelling of 383442349 in words is "three hundred eighty-three million, four hundred forty-two thousand, three hundred forty-nine".

Divisors: 1 89 4308341 383442349