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39385149 = 385715319
BaseRepresentation
bin1001011000111…
…1100000111101
32202002222021020
42112033200331
540040311044
63524054353
7655524336
oct226174075
982088236
1039385149
1120260711
12112343b9
13820ca2b
14533328d
1536cea19
hex258f83d

39385149 has 8 divisors (see below), whose sum is σ = 52578240. Its totient is φ = 26224416.

The previous prime is 39385147. The next prime is 39385153. The reversal of 39385149 is 94158393.

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

It is not a de Polignac number, because 39385149 - 21 = 39385147 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 39385149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39385147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5089 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (6572280).

Almost surely, 239385149 is an apocalyptic number.

It is an amenable number.

39385149 is a deficient number, since it is larger than the sum of its proper divisors (13193091).

39385149 is a wasteful number, since it uses less digits than its factorization.

39385149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16179.

The product of its digits is 116640, while the sum is 42.

The square root of 39385149 is about 6275.7588385788. The cubic root of 39385149 is about 340.2338328024.

The spelling of 39385149 in words is "thirty-nine million, three hundred eighty-five thousand, one hundred forty-nine".

Divisors: 1 3 857 2571 15319 45957 13128383 39385149