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312340444 = 22136006547
BaseRepresentation
bin10010100111011…
…110111111011100
3210202201112112121
4102213132333130
51114424343234
650554312324
710511564353
oct2247367734
9722645477
10312340444
11150342aa9
12887286a4
134c92ba40
142d6a699a
151c64a4b4
hex129defdc

312340444 has 12 divisors (see below), whose sum is σ = 588641704. Its totient is φ = 144157104.

The previous prime is 312340397. The next prime is 312340447. The reversal of 312340444 is 444043213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312340447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003222 + ... + 3003325.

Almost surely, 2312340444 is an apocalyptic number.

It is an amenable number.

312340444 is a deficient number, since it is larger than the sum of its proper divisors (276301260).

312340444 is a wasteful number, since it uses less digits than its factorization.

312340444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006564 (or 6006562 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 312340444 is about 17673.1560282820. The cubic root of 312340444 is about 678.4888907223.

Adding to 312340444 its reverse (444043213), we get a palindrome (756383657).

The spelling of 312340444 in words is "three hundred twelve million, three hundred forty thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 6006547 12013094 24026188 78085111 156170222 312340444