Search a number
-
+
38393401 = 73525937
BaseRepresentation
bin1001001001110…
…1011000111001
32200020120211211
42102131120321
534312042101
63450523121
7644224054
oct222353071
980216754
1038393401
111a743592
1210a364a1
137c534b7
145155a9b
153585c51
hex249d639

38393401 has 4 divisors (see below), whose sum is σ = 38919412. Its totient is φ = 37867392.

The previous prime is 38393363. The next prime is 38393423. The reversal of 38393401 is 10439383.

38393401 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.

It can be written as a sum of positive squares in 2 ways, for example, as 22553001 + 15840400 = 4749^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 38393401 - 27 = 38393273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38393441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262896 + ... + 263041.

It is an arithmetic number, because the mean of its divisors is an integer number (9729853).

Almost surely, 238393401 is an apocalyptic number.

It is an amenable number.

38393401 is a deficient number, since it is larger than the sum of its proper divisors (526011).

38393401 is an equidigital number, since it uses as much as digits as its factorization.

38393401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526010.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 38393401 is about 6196.2408765315. The cubic root of 38393401 is about 337.3537392769.

The spelling of 38393401 in words is "thirty-eight million, three hundred ninety-three thousand, four hundred one".

Divisors: 1 73 525937 38393401