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316057893 = 3828712713
BaseRepresentation
bin10010110101101…
…010100100100101
3211000201101220220
4102311222210211
51121402323033
651210114553
710555306404
oct2265524445
9730641826
10316057893
11152451a78
1289a1ba59
1350630b08
142dd9363b
151cb31bb3
hex12d6a925

316057893 has 8 divisors (see below), whose sum is σ = 421494528. Its totient is φ = 210663264.

The previous prime is 316057891. The next prime is 316057901. The reversal of 316057893 is 398750613.

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

It is not a de Polignac number, because 316057893 - 21 = 316057891 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316057891) 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, 18505 + ... + 31217.

It is an arithmetic number, because the mean of its divisors is an integer number (52686816).

Almost surely, 2316057893 is an apocalyptic number.

It is an amenable number.

316057893 is a deficient number, since it is larger than the sum of its proper divisors (105436635).

316057893 is a wasteful number, since it uses less digits than its factorization.

316057893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21003.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 316057893 is about 17778.0171279027. The cubic root of 316057893 is about 681.1700537669.

The spelling of 316057893 in words is "three hundred sixteen million, fifty-seven thousand, eight hundred ninety-three".

Divisors: 1 3 8287 12713 24861 38139 105352631 316057893