Search a number
-
+
38178142 = 282123251
BaseRepresentation
bin1001000110100…
…0110101011110
32122211122120021
42101220311132
534233200032
63442142354
7642336352
oct221506536
978748507
1038178142
111a606892
12109519ba
137ba9522
1450db462
153542097
hex2468d5e

38178142 has 8 divisors (see below), whose sum is σ = 57339432. Its totient is φ = 19065000.

The previous prime is 38178071. The next prime is 38178167. The reversal of 38178142 is 24187183.

It is a happy number.

38178142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38178098 and 38178107.

It is a congruent number.

It is an unprimeable number.

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, 9984 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (7167429).

Almost surely, 238178142 is an apocalyptic number.

38178142 is a deficient number, since it is larger than the sum of its proper divisors (19161290).

38178142 is a wasteful number, since it uses less digits than its factorization.

38178142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24074.

The product of its digits is 10752, while the sum is 34.

The square root of 38178142 is about 6178.8463324475. The cubic root of 38178142 is about 336.7220806519.

The spelling of 38178142 in words is "thirty-eight million, one hundred seventy-eight thousand, one hundred forty-two".

Divisors: 1 2 821 1642 23251 46502 19089071 38178142