Search a number
-
+
38004413 = 293973301
BaseRepresentation
bin1001000011111…
…0011010111101
32122111211020212
42100332122331
534212120123
63434322205
7641014016
oct220763275
978454225
1038004413
111a4a8307
1210889365
137b48425
14509400d
15350a878
hex243e6bd

38004413 has 8 divisors (see below), whose sum is σ = 39425880. Its totient is φ = 36590400.

The previous prime is 38004409. The next prime is 38004431. The reversal of 38004413 is 31440083.

It can be written as a sum of positive squares in 4 ways, for example, as 4108729 + 33895684 = 2027^2 + 5822^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38004413 - 22 = 38004409 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 (38004433) 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, 9863 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (4928235).

Almost surely, 238004413 is an apocalyptic number.

It is an amenable number.

38004413 is a deficient number, since it is larger than the sum of its proper divisors (1421467).

38004413 is a wasteful number, since it uses less digits than its factorization.

38004413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 38004413 is about 6164.7719341432. The cubic root of 38004413 is about 336.2105545599.

Adding to 38004413 its reverse (31440083), we get a palindrome (69444496).

The spelling of 38004413 in words is "thirty-eight million, four thousand, four hundred thirteen".

Divisors: 1 29 397 3301 11513 95729 1310497 38004413