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312224423 = 726371927
BaseRepresentation
bin10010100111000…
…010101010100111
3210202111122101112
4102213002222213
51114412140143
650552015235
710510602200
oct2247025247
9722448345
10312224423
11150273915
128869151b
134c8baca4
142d6765a7
151c625e18
hex129c2aa7

312224423 has 6 divisors (see below), whose sum is σ = 363199896. Its totient is φ = 267620892.

The previous prime is 312224377. The next prime is 312224449. The reversal of 312224423 is 324422213.

It is not a de Polignac number, because 312224423 - 210 = 312223399 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 (312224323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3185915 + ... + 3186012.

It is an arithmetic number, because the mean of its divisors is an integer number (60533316).

Almost surely, 2312224423 is an apocalyptic number.

312224423 is a deficient number, since it is larger than the sum of its proper divisors (50975473).

312224423 is an equidigital number, since it uses as much as digits as its factorization.

312224423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371941 (or 6371934 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 312224423 is about 17669.8733159013. The cubic root of 312224423 is about 678.4048705343.

Adding to 312224423 its reverse (324422213), we get a palindrome (636646636).

The spelling of 312224423 in words is "three hundred twelve million, two hundred twenty-four thousand, four hundred twenty-three".

Divisors: 1 7 49 6371927 44603489 312224423