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39147041 = 211185531
BaseRepresentation
bin1001010101010…
…1011000100001
32201122212122102
42111111120201
540010201131
63515020145
7653513213
oct225253041
981585572
1039147041
112010882a
121113a655
13815853b
1452b05b3
1536841cb
hex2555621

39147041 has 4 divisors (see below), whose sum is σ = 39332784. Its totient is φ = 38961300.

The previous prime is 39147037. The next prime is 39147067. The reversal of 39147041 is 14074193.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39147041 - 22 = 39147037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39146995 and 39147013.

It is not an unprimeable number, because it can be changed into a prime (39147001) 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 3 ways as a sum of consecutive naturals, for example, 92555 + ... + 92976.

It is an arithmetic number, because the mean of its divisors is an integer number (9833196).

Almost surely, 239147041 is an apocalyptic number.

It is an amenable number.

39147041 is a deficient number, since it is larger than the sum of its proper divisors (185743).

39147041 is a wasteful number, since it uses less digits than its factorization.

39147041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185742.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 39147041 is about 6256.7596245980. The cubic root of 39147041 is about 339.5468039177.

The spelling of 39147041 in words is "thirty-nine million, one hundred forty-seven thousand, forty-one".

Divisors: 1 211 185531 39147041