Search a number
-
+
38823971 = 172134339
BaseRepresentation
bin1001010000011…
…0100000100011
32201001110110212
42110012200203
534414331341
63504044335
7650666264
oct224064043
981043425
1038823971
111aa0802a
12110036ab
138074484
14522896b
15361d5eb
hex2506823

38823971 has 6 divisors (see below), whose sum is σ = 41242380. Its totient is φ = 36539936.

The previous prime is 38823943. The next prime is 38824001. The reversal of 38823971 is 17932883.

It is not a de Polignac number, because 38823971 - 26 = 38823907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38823901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66881 + ... + 67458.

It is an arithmetic number, because the mean of its divisors is an integer number (6873730).

Almost surely, 238823971 is an apocalyptic number.

38823971 is a deficient number, since it is larger than the sum of its proper divisors (2418409).

38823971 is a wasteful number, since it uses less digits than its factorization.

38823971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134373 (or 134356 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 38823971 is about 6230.8884599229. Note that the first 3 decimals coincide. The cubic root of 38823971 is about 338.6101597336.

The spelling of 38823971 in words is "thirty-eight million, eight hundred twenty-three thousand, nine hundred seventy-one".

Divisors: 1 17 289 134339 2283763 38823971