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314132213 = 734303181
BaseRepresentation
bin10010101110010…
…100011011110101
3210220002120101102
4102232110123311
51120404212323
651100535445
710533036233
oct2256243365
9726076342
10314132213
111513571aa
1289251585
1350108465
142da11953
151c8a1328
hex12b946f5

314132213 has 4 divisors (see below), whose sum is σ = 318435468. Its totient is φ = 309828960.

The previous prime is 314132209. The next prime is 314132233. The reversal of 314132213 is 312231413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312231413 = 1324017801.

It can be written as a sum of positive squares in 2 ways, for example, as 155800324 + 158331889 = 12482^2 + 12583^2 .

It is a cyclic number.

It is not a de Polignac number, because 314132213 - 22 = 314132209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314132233) 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, 2151518 + ... + 2151663.

It is an arithmetic number, because the mean of its divisors is an integer number (79608867).

Almost surely, 2314132213 is an apocalyptic number.

It is an amenable number.

314132213 is a deficient number, since it is larger than the sum of its proper divisors (4303255).

314132213 is an equidigital number, since it uses as much as digits as its factorization.

314132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303254.

The product of its digits is 432, while the sum is 20.

The square root of 314132213 is about 17723.7753596687. The cubic root of 314132213 is about 679.7838218532.

Adding to 314132213 its reverse (312231413), we get a palindrome (626363626).

The spelling of 314132213 in words is "three hundred fourteen million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 73 4303181 314132213