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393005 = 583947
BaseRepresentation
bin1011111111100101101
3201222002202
41133330231
5100034010
612231245
73224534
oct1377455
9658082
10393005
112492a8
1216b525
13109b62
14a331b
157b6a5
hex5ff2d

393005 has 8 divisors (see below), whose sum is σ = 477792. Its totient is φ = 310288.

The previous prime is 392983. The next prime is 393007. The reversal of 393005 is 500393.

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

It is a cyclic number.

It is not a de Polignac number, because 393005 - 216 = 327469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 393005.

It is not an unprimeable number, because it can be changed into a prime (393007) 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, 59 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2393005 is an apocalyptic number.

It is an amenable number.

393005 is a deficient number, since it is larger than the sum of its proper divisors (84787).

393005 is an equidigital number, since it uses as much as digits as its factorization.

393005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 393005 is about 626.9011086288. The cubic root of 393005 is about 73.2486050824.

Adding to 393005 its reverse (500393), we get a palindrome (893398).

The spelling of 393005 in words is "three hundred ninety-three thousand, five".

Divisors: 1 5 83 415 947 4735 78601 393005