Search a number
-
+
38849656 = 234856207
BaseRepresentation
bin1001010000110…
…0110001111000
32201002202201011
42110030301320
534421142111
63504403304
7651134206
oct224146170
981082634
1038849656
111aa2535a
1211016534
138083081
145234076
153626021
hex250cc78

38849656 has 8 divisors (see below), whose sum is σ = 72843120. Its totient is φ = 19424824.

The previous prime is 38849653. The next prime is 38849663. The reversal of 38849656 is 65694883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38849653) 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 as a sum of consecutive naturals, namely, 2428096 + ... + 2428111.

It is an arithmetic number, because the mean of its divisors is an integer number (9105390).

Almost surely, 238849656 is an apocalyptic number.

It is an amenable number.

38849656 is a deficient number, since it is larger than the sum of its proper divisors (33993464).

38849656 is a wasteful number, since it uses less digits than its factorization.

38849656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856213 (or 4856209 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 38849656 is about 6232.9492216767. The cubic root of 38849656 is about 338.6848153693.

It can be divided in two parts, 388 and 49656, that multiplied together give a triangular number (19266528 = T6207).

The spelling of 38849656 in words is "thirty-eight million, eight hundred forty-nine thousand, six hundred fifty-six".

Divisors: 1 2 4 8 4856207 9712414 19424828 38849656