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315313386 = 2352552231
BaseRepresentation
bin10010110010110…
…100110011101010
3210222022120122120
4102302310303222
51121210012021
651142132110
710546056003
oct2262646352
9728276576
10315313386
11151a93683
1289721036
135042cc8b
142dc3c1aa
151ca362c6
hex12cb4cea

315313386 has 8 divisors (see below), whose sum is σ = 630626784. Its totient is φ = 105104460.

The previous prime is 315313381. The next prime is 315313387. The reversal of 315313386 is 683313513.

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

315313386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (315313381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26276110 + ... + 26276121.

It is an arithmetic number, because the mean of its divisors is an integer number (78828348).

Almost surely, 2315313386 is an apocalyptic number.

315313386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315313386 is a wasteful number, since it uses less digits than its factorization.

315313386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52552236.

The product of its digits is 19440, while the sum is 33.

The square root of 315313386 is about 17757.0658049127. The cubic root of 315313386 is about 680.6347777832.

Adding to 315313386 its reverse (683313513), we get a palindrome (998626899).

The spelling of 315313386 in words is "three hundred fifteen million, three hundred thirteen thousand, three hundred eighty-six".

Divisors: 1 2 3 6 52552231 105104462 157656693 315313386