Search a number
-
+
38090561 = 437911213
BaseRepresentation
bin1001000101001…
…1011101000001
32122200012102112
42101103131001
534222344221
63440225105
7641523125
oct221233501
978605375
1038090561
111a557003
121090b195
137b786c2
1450b7585
15352615b
hex2453741

38090561 has 8 divisors (see below), whose sum is σ = 39473280. Its totient is φ = 36730512.

The previous prime is 38090527. The next prime is 38090593. The reversal of 38090561 is 16509083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38090561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38090161) 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 7 ways as a sum of consecutive naturals, for example, 2210 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (4934160).

Almost surely, 238090561 is an apocalyptic number.

It is an amenable number.

38090561 is a deficient number, since it is larger than the sum of its proper divisors (1382719).

38090561 is a wasteful number, since it uses less digits than its factorization.

38090561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 38090561 is about 6171.7550988353. The cubic root of 38090561 is about 336.4644023554.

The spelling of 38090561 in words is "thirty-eight million, ninety thousand, five hundred sixty-one".

Divisors: 1 43 79 3397 11213 482159 885827 38090561