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387047 is a prime number
BaseRepresentation
bin1011110011111100111
3201122221002
41132133213
544341142
612143515
73201263
oct1363747
9648832
10387047
11244881
12167b9b
1310722b
14a10a3
1579a32
hex5e7e7

387047 has 2 divisors, whose sum is σ = 387048. Its totient is φ = 387046.

The previous prime is 387031. The next prime is 387071. The reversal of 387047 is 740783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387047 - 24 = 387031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193523 + 193524.

It is an arithmetic number, because the mean of its divisors is an integer number (193524).

2387047 is an apocalyptic number.

387047 is a deficient number, since it is larger than the sum of its proper divisors (1).

387047 is an equidigital number, since it uses as much as digits as its factorization.

387047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 387047 is about 622.1310151407. The cubic root of 387047 is about 72.8765662865.

The spelling of 387047 in words is "three hundred eighty-seven thousand, forty-seven".