Search a number
-
+
38144117 = 113467647
BaseRepresentation
bin1001000110000…
…0100001110101
32122202220220002
42101200201311
534231102432
63441321045
7642135224
oct221404165
978686802
1038144117
111a593270
1210936185
137b96bab
1450cccbb
153536e62
hex2460875

38144117 has 4 divisors (see below), whose sum is σ = 41611776. Its totient is φ = 34676460.

The previous prime is 38144101. The next prime is 38144129. The reversal of 38144117 is 71144183.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71144183 = 116467653.

It is a cyclic number.

It is not a de Polignac number, because 38144117 - 24 = 38144101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38144117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38144137) 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, 1733813 + ... + 1733834.

It is an arithmetic number, because the mean of its divisors is an integer number (10402944).

Almost surely, 238144117 is an apocalyptic number.

It is an amenable number.

38144117 is a deficient number, since it is larger than the sum of its proper divisors (3467659).

38144117 is a wasteful number, since it uses less digits than its factorization.

38144117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467658.

The product of its digits is 2688, while the sum is 29.

The square root of 38144117 is about 6176.0923730139. The cubic root of 38144117 is about 336.6220201336.

The spelling of 38144117 in words is "thirty-eight million, one hundred forty-four thousand, one hundred seventeen".

Divisors: 1 11 3467647 38144117