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316376081 = 7349912917
BaseRepresentation
bin10010110110111…
…000010000010001
3211001022120101122
4102312320100101
51121443013311
651221012025
710561103150
oct2266702021
9731276348
10316376081
1115264a03a
1289b54015
13507128a8
1430037597
151cb960db
hex12db8411

316376081 has 8 divisors (see below), whose sum is σ = 361704000. Its totient is φ = 271081008.

The previous prime is 316376059. The next prime is 316376083. The reversal of 316376081 is 180673613.

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 316376081 - 214 = 316359697 is a prime.

It is a super-2 number, since 2×3163760812 = 200187649257837122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316376083) 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, 18035 + ... + 30951.

It is an arithmetic number, because the mean of its divisors is an integer number (45213000).

Almost surely, 2316376081 is an apocalyptic number.

It is an amenable number.

316376081 is a deficient number, since it is larger than the sum of its proper divisors (45327919).

316376081 is a wasteful number, since it uses less digits than its factorization.

316376081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16423.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 316376081 is about 17786.9637937451. The cubic root of 316376081 is about 681.3985640588.

The spelling of 316376081 in words is "three hundred sixteen million, three hundred seventy-six thousand, eighty-one".

Divisors: 1 7 3499 12917 24493 90419 45196583 316376081