Search a number
-
+
38169748 = 2221414457
BaseRepresentation
bin1001000110011…
…0110010010100
32122211020001101
42101212302110
534232412443
63442035444
7642303031
oct221466224
978736041
1038169748
111a600551
1210948b84
137ba5766
1450d8388
15353e84d
hex2466c94

38169748 has 12 divisors (see below), whose sum is σ = 66843252. Its totient is φ = 19071680.

The previous prime is 38169739. The next prime is 38169749. The reversal of 38169748 is 84796183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32467204 + 5702544 = 5698^2 + 2388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38169698 and 38169707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38169749) 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 3 ways as a sum of consecutive naturals, for example, 6336 + ... + 10792.

It is an arithmetic number, because the mean of its divisors is an integer number (5570271).

Almost surely, 238169748 is an apocalyptic number.

It is an amenable number.

38169748 is a deficient number, since it is larger than the sum of its proper divisors (28673504).

38169748 is a wasteful number, since it uses less digits than its factorization.

38169748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602 (or 6600 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 38169748 is about 6178.1670420927. The cubic root of 38169748 is about 336.6974011524.

The spelling of 38169748 in words is "thirty-eight million, one hundred sixty-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 2141 4282 4457 8564 8914 17828 9542437 19084874 38169748