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314212243 = 1492108807
BaseRepresentation
bin10010101110100…
…111111110010011
3210220020122011111
4102232213332103
51120414242433
651102354151
710533521452
oct2256477623
9726218144
10314212243
11151401344
128928b957
1350135a07
142da32b99
151c8b9dcd
hex12ba7f93

314212243 has 4 divisors (see below), whose sum is σ = 316321200. Its totient is φ = 312103288.

The previous prime is 314212231. The next prime is 314212247. The reversal of 314212243 is 342212413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342212413 = 3191107243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314212243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314212247) 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, 1054255 + ... + 1054552.

It is an arithmetic number, because the mean of its divisors is an integer number (79080300).

Almost surely, 2314212243 is an apocalyptic number.

314212243 is a deficient number, since it is larger than the sum of its proper divisors (2108957).

314212243 is a wasteful number, since it uses less digits than its factorization.

314212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108956.

The product of its digits is 1152, while the sum is 22.

The square root of 314212243 is about 17726.0329177174. The cubic root of 314212243 is about 679.8415454037.

Adding to 314212243 its reverse (342212413), we get a palindrome (656424656).

The spelling of 314212243 in words is "three hundred fourteen million, two hundred twelve thousand, two hundred forty-three".

Divisors: 1 149 2108807 314212243