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312242382 = 23217346799
BaseRepresentation
bin10010100111000…
…111000011001110
3210202112120000200
4102213013003032
51114413224012
650552234330
710511005434
oct2247070316
9722476020
10312242382
11150286361
128869b9a6
134c8c620a
142d67cd54
151c62b3dc
hex129c70ce

312242382 has 12 divisors (see below), whose sum is σ = 676525200. Its totient is φ = 104080788.

The previous prime is 312242353. The next prime is 312242387. The reversal of 312242382 is 283242213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312242387) 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, 8673382 + ... + 8673417.

It is an arithmetic number, because the mean of its divisors is an integer number (56377100).

Almost surely, 2312242382 is an apocalyptic number.

312242382 is an abundant number, since it is smaller than the sum of its proper divisors (364282818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312242382 is a wasteful number, since it uses less digits than its factorization.

312242382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17346807 (or 17346804 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 312242382 is about 17670.3814899396. The cubic root of 312242382 is about 678.4178774598.

Adding to 312242382 its reverse (283242213), we get a palindrome (595484595).

The spelling of 312242382 in words is "three hundred twelve million, two hundred forty-two thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 17346799 34693598 52040397 104080794 156121191 312242382