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312422412 = 22326035201
BaseRepresentation
bin10010100111110…
…011000000001100
3210202212200222110
4102213303000030
51114440004122
651000144020
710512355341
oct2247630014
9722780873
10312422412
11150399645
1288768010
134c95a143
142d6c87c8
151c66490c
hex129f300c

312422412 has 12 divisors (see below), whose sum is σ = 728985656. Its totient is φ = 104140800.

The previous prime is 312422401. The next prime is 312422437. The reversal of 312422412 is 214224213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13017589 + ... + 13017612.

Almost surely, 2312422412 is an apocalyptic number.

It is an amenable number.

312422412 is an abundant number, since it is smaller than the sum of its proper divisors (416563244).

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

312422412 is a wasteful number, since it uses less digits than its factorization.

312422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26035208 (or 26035206 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 312422412 is about 17675.4748733945. The cubic root of 312422412 is about 678.5482378377.

Adding to 312422412 its reverse (214224213), we get a palindrome (526646625).

The spelling of 312422412 in words is "three hundred twelve million, four hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 26035201 52070402 78105603 104140804 156211206 312422412