Search a number
-
+
312412423 = 3749916921
BaseRepresentation
bin10010100111110…
…000100100000111
3210202212012021111
4102213300210013
51114434144143
651000025451
710512314251
oct2247604407
9722765244
10312412423
11150392094
1288762287
134c95572b
142d6c4cd1
151c66199d
hex129f0907

312412423 has 8 divisors (see below), whose sum is σ = 321518000. Its totient is φ = 303341760.

The previous prime is 312412403. The next prime is 312412433. The reversal of 312412423 is 324214213.

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 312412423 - 25 = 312412391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312412394 and 312412403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10003 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (40189750).

Almost surely, 2312412423 is an apocalyptic number.

312412423 is a deficient number, since it is larger than the sum of its proper divisors (9105577).

312412423 is a wasteful number, since it uses less digits than its factorization.

312412423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457.

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

The square root of 312412423 is about 17675.1923044701. The cubic root of 312412423 is about 678.5410060789.

Adding to 312412423 its reverse (324214213), we get a palindrome (636626636).

The spelling of 312412423 in words is "three hundred twelve million, four hundred twelve thousand, four hundred twenty-three".

Divisors: 1 37 499 16921 18463 626077 8443579 312412423