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314228681 = 1324171437
BaseRepresentation
bin10010101110101…
…011111111001001
3210220021110201022
4102232223333021
51120420304211
651103002225
710533620414
oct2256537711
9726243638
10314228681
11151412728
1289299375
1350140340
142da38b7b
151c8bebdb
hex12babfc9

314228681 has 4 divisors (see below), whose sum is σ = 338400132. Its totient is φ = 290057232.

The previous prime is 314228671. The next prime is 314228689. The reversal of 314228681 is 186822413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156475081 + 157753600 = 12509^2 + 12560^2 .

It is a cyclic number.

It is not a de Polignac number, because 314228681 - 210 = 314227657 is a prime.

It is a super-2 number, since 2×3142286812 = 197479327925999522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314228689) 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, 12085706 + ... + 12085731.

It is an arithmetic number, because the mean of its divisors is an integer number (84600033).

Almost surely, 2314228681 is an apocalyptic number.

It is an amenable number.

314228681 is a deficient number, since it is larger than the sum of its proper divisors (24171451).

314228681 is a wasteful number, since it uses less digits than its factorization.

314228681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24171450.

The product of its digits is 18432, while the sum is 35.

The square root of 314228681 is about 17726.4965799788. The cubic root of 314228681 is about 679.8534004907.

The spelling of 314228681 in words is "three hundred fourteen million, two hundred twenty-eight thousand, six hundred eighty-one".

Divisors: 1 13 24171437 314228681