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38160789 = 322955547
BaseRepresentation
bin1001000110010…
…0100110010101
32122210202202120
42101210212111
534232121124
63441530153
7642234642
oct221444625
978722676
1038160789
111a5a4847
1210943959
137ba1664
1450d4dc9
15353bd79
hex2464995

38160789 has 8 divisors (see below), whose sum is σ = 51104160. Its totient is φ = 25328976.

The previous prime is 38160763. The next prime is 38160799. The reversal of 38160789 is 98706183.

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

It is not a de Polignac number, because 38160789 - 29 = 38160277 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 38160789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38160719) 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, 27087 + ... + 28460.

It is an arithmetic number, because the mean of its divisors is an integer number (6388020).

Almost surely, 238160789 is an apocalyptic number.

It is an amenable number.

38160789 is a deficient number, since it is larger than the sum of its proper divisors (12943371).

38160789 is a wasteful number, since it uses less digits than its factorization.

38160789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55779.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 38160789 is about 6177.4419463075. The cubic root of 38160789 is about 336.6710564841.

The spelling of 38160789 in words is "thirty-eight million, one hundred sixty thousand, seven hundred eighty-nine".

Divisors: 1 3 229 687 55547 166641 12720263 38160789