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38163001 = 199720707
BaseRepresentation
bin1001000110010…
…1001000111001
32122210212210111
42101211020321
534232204001
63441544321
7642244252
oct221451071
978725714
1038163001
111a5a6478
12109450a1
137ba2676
1450d5b29
15353c851
hex2465239

38163001 has 8 divisors (see below), whose sum is σ = 40587680. Its totient is φ = 35779968.

The previous prime is 38162989. The next prime is 38163017. The reversal of 38163001 is 10036183.

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 38163001 - 29 = 38162489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38163031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8511 + ... + 12196.

It is an arithmetic number, because the mean of its divisors is an integer number (5073460).

Almost surely, 238163001 is an apocalyptic number.

It is an amenable number.

38163001 is a deficient number, since it is larger than the sum of its proper divisors (2424679).

38163001 is a wasteful number, since it uses less digits than its factorization.

38163001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20823.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 38163001 is about 6177.6209822228. The cubic root of 38163001 is about 336.6775614333.

Adding to 38163001 its reverse (10036183), we get a palindrome (48199184).

The spelling of 38163001 in words is "thirty-eight million, one hundred sixty-three thousand, one".

Divisors: 1 19 97 1843 20707 393433 2008579 38163001