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38065765 = 57613153
BaseRepresentation
bin1001000100110…
…1011001100101
32122121221102011
42101031121211
534221101030
63435514221
7641360623
oct221153145
978557364
1038065765
111a53a411
12108b8971
137b6a32a
1450ac513
15351db2a
hex244d665

38065765 has 4 divisors (see below), whose sum is σ = 45678924. Its totient is φ = 30452608.

The previous prime is 38065751. The next prime is 38065829. The reversal of 38065765 is 56756083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6895876 + 31169889 = 2626^2 + 5583^2 .

It is a cyclic number.

It is not a de Polignac number, because 38065765 - 25 = 38065733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806572 + ... + 3806581.

It is an arithmetic number, because the mean of its divisors is an integer number (11419731).

Almost surely, 238065765 is an apocalyptic number.

It is an amenable number.

38065765 is a deficient number, since it is larger than the sum of its proper divisors (7613159).

38065765 is an equidigital number, since it uses as much as digits as its factorization.

38065765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613158.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 38065765 is about 6169.7459429056. The cubic root of 38065765 is about 336.3913765443.

The spelling of 38065765 in words is "thirty-eight million, sixty-five thousand, seven hundred sixty-five".

Divisors: 1 5 7613153 38065765