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320314513 = 372832819
BaseRepresentation
bin10011000101111…
…001110010010001
3211022201122220111
4103011321302101
51124000031023
651441241321
710636425361
oct2305716221
9738648814
10320314513
1115489a042
128b333241
135149141c
14307809a1
151d1c300d
hex13179c91

320314513 has 12 divisors (see below), whose sum is σ = 333290160. Its totient is φ = 307793232.

The previous prime is 320314487. The next prime is 320314523. The reversal of 320314513 is 315413023.

It is not a de Polignac number, because 320314513 - 225 = 286760081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320314523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112218 + ... + 115036.

It is an arithmetic number, because the mean of its divisors is an integer number (27774180).

Almost surely, 2320314513 is an apocalyptic number.

It is an amenable number.

320314513 is a deficient number, since it is larger than the sum of its proper divisors (12975647).

320314513 is an equidigital number, since it uses as much as digits as its factorization.

320314513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 320314513 is about 17897.3325666145. The cubic root of 320314513 is about 684.2143926561.

Adding to 320314513 its reverse (315413023), we get a palindrome (635727536).

The spelling of 320314513 in words is "three hundred twenty million, three hundred fourteen thousand, five hundred thirteen".

Divisors: 1 37 83 1369 2819 3071 104303 113627 233977 3859211 8657149 320314513