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318070 = 25171871
BaseRepresentation
bin1001101101001110110
3121011022101
41031221312
540134240
610452314
72463214
oct1155166
9534271
10318070
111a7a75
1213409a
13b1a0c
1483cb4
156439a
hex4da76

318070 has 16 divisors (see below), whose sum is σ = 606528. Its totient is φ = 119680.

The previous prime is 318023. The next prime is 318077. The reversal of 318070 is 70813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318077) by changing a digit.

318070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 766 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (37908).

2318070 is an apocalyptic number.

318070 is a deficient number, since it is larger than the sum of its proper divisors (288458).

318070 is a wasteful number, since it uses less digits than its factorization.

318070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 318070 is about 563.9769498836. The cubic root of 318070 is about 68.2612499178.

Adding to 318070 its reverse (70813), we get a palindrome (388883).

The spelling of 318070 in words is "three hundred eighteen thousand, seventy".

Divisors: 1 2 5 10 17 34 85 170 1871 3742 9355 18710 31807 63614 159035 318070