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315405412 = 22711264479
BaseRepresentation
bin10010110011001…
…011010001100100
3210222111020212221
4102303023101210
51121220433122
651144122124
710546621210
oct2263132144
9728436787
10315405412
11152046833
1289766344
1350462b2a
142dc63940
151ca536c7
hex12ccb464

315405412 has 12 divisors (see below), whose sum is σ = 630810880. Its totient is φ = 135173736.

The previous prime is 315405407. The next prime is 315405451. The reversal of 315405412 is 214504513.

It is a happy number.

315405412 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5632212 + ... + 5632267.

Almost surely, 2315405412 is an apocalyptic number.

It is an amenable number.

315405412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

315405412 is a wasteful number, since it uses less digits than its factorization.

315405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264490 (or 11264488 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 315405412 is about 17759.6568660546. The cubic root of 315405412 is about 680.7009870491.

Adding to 315405412 its reverse (214504513), we get a palindrome (529909925).

The spelling of 315405412 in words is "three hundred fifteen million, four hundred five thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 11264479 22528958 45057916 78851353 157702706 315405412