Search a number
-
+
38727164 = 2271383113
BaseRepresentation
bin1001001110111…
…0110111111100
32200212112200102
42103232313330
534403232124
63502020232
7650114120
oct223566774
980775612
1038727164
111a951323
1210b77678
13803c3a8
145201580
1535eeaae
hex24eedfc

38727164 has 12 divisors (see below), whose sum is σ = 77454384. Its totient is φ = 16597344.

The previous prime is 38727127. The next prime is 38727167. The reversal of 38727164 is 46172783.

38727164 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38727167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691529 + ... + 691584.

It is an arithmetic number, because the mean of its divisors is an integer number (6454532).

Almost surely, 238727164 is an apocalyptic number.

It is an amenable number.

38727164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38727164 is a wasteful number, since it uses less digits than its factorization.

38727164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383124 (or 1383122 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 38727164 is about 6223.1152970197. The cubic root of 38727164 is about 338.3284856713.

The spelling of 38727164 in words is "thirty-eight million, seven hundred twenty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 1383113 2766226 5532452 9681791 19363582 38727164