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315434212 = 2278858553
BaseRepresentation
bin10010110011010…
…010010011100100
3210222112201101121
4102303102103210
51121222343322
651144503324
710550101162
oct2263222344
9728481347
10315434212
11152066435
128977ab44
1350472c82
142dc70232
151ca5bec7
hex12cd24e4

315434212 has 6 divisors (see below), whose sum is σ = 552009878. Its totient is φ = 157717104.

The previous prime is 315434159. The next prime is 315434261. The reversal of 315434212 is 212434513.

It can be written as a sum of positive squares in only one way, i.e., 215913636 + 99520576 = 14694^2 + 9976^2 .

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 as a sum of consecutive naturals, namely, 39429273 + ... + 39429280.

Almost surely, 2315434212 is an apocalyptic number.

It is an amenable number.

315434212 is a deficient number, since it is larger than the sum of its proper divisors (236575666).

315434212 is a wasteful number, since it uses less digits than its factorization.

315434212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78858557 (or 78858555 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 315434212 is about 17760.4676740226. The cubic root of 315434212 is about 680.7217049263.

Adding to 315434212 its reverse (212434513), we get a palindrome (527868725).

The spelling of 315434212 in words is "three hundred fifteen million, four hundred thirty-four thousand, two hundred twelve".

Divisors: 1 2 4 78858553 157717106 315434212