Search a number
-
+
39240147 = 342131069
BaseRepresentation
bin1001010110110…
…0000111010011
32201211121100210
42111230013103
540021141042
63521015203
7654351522
oct225540723
981747323
1039240147
1120171781
1211184503
13818ba2b
1452d64b9
1536a1a9c
hex256c1d3

39240147 has 8 divisors (see below), whose sum is σ = 52446160. Its totient is φ = 26097120.

The previous prime is 39240143. The next prime is 39240151. The reversal of 39240147 is 74104293.

It is a happy number.

39240147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39240143) and next prime (39240151).

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

It is not a de Polignac number, because 39240147 - 22 = 39240143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39240143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14272 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (6555770).

Almost surely, 239240147 is an apocalyptic number.

39240147 is a deficient number, since it is larger than the sum of its proper divisors (13206013).

39240147 is a wasteful number, since it uses less digits than its factorization.

39240147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31493.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 39240147 is about 6264.1956387073. The cubic root of 39240147 is about 339.8157796724.

The spelling of 39240147 in words is "thirty-nine million, two hundred forty thousand, one hundred forty-seven".

Divisors: 1 3 421 1263 31069 93207 13080049 39240147