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315442011 = 3105147337
BaseRepresentation
bin10010110011010…
…100001101011011
3210222120010002110
4102303110031123
51121223121021
651145003403
710550133003
oct2263241533
9728503073
10315442011
11152071285
1289783563
13504766a1
142dc73003
151ca5e476
hex12cd435b

315442011 has 4 divisors (see below), whose sum is σ = 420589352. Its totient is φ = 210294672.

The previous prime is 315442003. The next prime is 315442027. The reversal of 315442011 is 110244513.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 315442011 - 23 = 315442003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315442411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52573666 + ... + 52573671.

It is an arithmetic number, because the mean of its divisors is an integer number (105147338).

Almost surely, 2315442011 is an apocalyptic number.

315442011 is a deficient number, since it is larger than the sum of its proper divisors (105147341).

315442011 is a wasteful number, since it uses less digits than its factorization.

315442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105147340.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 315442011 is about 17760.6872333252. The cubic root of 315442011 is about 680.7273150817.

Adding to 315442011 its reverse (110244513), we get a palindrome (425686524).

The spelling of 315442011 in words is "three hundred fifteen million, four hundred forty-two thousand, eleven".

Divisors: 1 3 105147337 315442011