Search a number
-
+
38385149 = 1119183661
BaseRepresentation
bin1001001001101…
…1010111111101
32200020011112012
42102123113331
534311311044
63450421005
7644161025
oct222332775
980204465
1038385149
111a738370
1210a31765
137c4c80a
145152a85
15358359e
hex249b5fd

38385149 has 8 divisors (see below), whose sum is σ = 44078880. Its totient is φ = 33058800.

The previous prime is 38385107. The next prime is 38385157. The reversal of 38385149 is 94158383.

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 38385149 - 216 = 38319613 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 (38385349) 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, 91622 + ... + 92039.

It is an arithmetic number, because the mean of its divisors is an integer number (5509860).

Almost surely, 238385149 is an apocalyptic number.

It is an amenable number.

38385149 is a deficient number, since it is larger than the sum of its proper divisors (5693731).

38385149 is a wasteful number, since it uses less digits than its factorization.

38385149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183691.

The product of its digits is 103680, while the sum is 41.

The square root of 38385149 is about 6195.5749531420. The cubic root of 38385149 is about 337.3295680873.

The spelling of 38385149 in words is "thirty-eight million, three hundred eighty-five thousand, one hundred forty-nine".

Divisors: 1 11 19 209 183661 2020271 3489559 38385149