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314681809 = 1335967427
BaseRepresentation
bin10010110000011…
…010100111010001
3210221010111021211
4102300122213101
51121024304214
651120420121
710540515451
oct2260324721
9727114254
10314681809
111516a2112
1289477641
135026b670
142db15d61
151c95e0c4
hex12c1a9d1

314681809 has 8 divisors (see below), whose sum is σ = 339837120. Its totient is φ = 289662096.

The previous prime is 314681777. The next prime is 314681863. The reversal of 314681809 is 908186413.

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 314681809 - 25 = 314681777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314681209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29047 + ... + 38380.

It is an arithmetic number, because the mean of its divisors is an integer number (42479640).

Almost surely, 2314681809 is an apocalyptic number.

It is an amenable number.

314681809 is a deficient number, since it is larger than the sum of its proper divisors (25155311).

314681809 is a wasteful number, since it uses less digits than its factorization.

314681809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67799.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 314681809 is about 17739.2730685336. The cubic root of 314681809 is about 680.1800337899.

The spelling of 314681809 in words is "three hundred fourteen million, six hundred eighty-one thousand, eight hundred nine".

Divisors: 1 13 359 4667 67427 876551 24206293 314681809