Search a number
-
+
315300545 = 5721286941
BaseRepresentation
bin10010110010110…
…001101011000001
3210222021221000222
4102302301223001
51121204104140
651141552425
710546003400
oct2262615301
9728257028
10315300545
11151a84a6a
1289715715
1350427191
142dc37637
151ca325b5
hex12cb1ac1

315300545 has 12 divisors (see below), whose sum is σ = 440134164. Its totient is φ = 216205920.

The previous prime is 315300529. The next prime is 315300571. The reversal of 315300545 is 545003513.

It can be written as a sum of positive squares in 2 ways, for example, as 216913984 + 98386561 = 14728^2 + 9919^2 .

It is not a de Polignac number, because 315300545 - 24 = 315300529 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 643226 + ... + 643715.

It is an arithmetic number, because the mean of its divisors is an integer number (36677847).

Almost surely, 2315300545 is an apocalyptic number.

315300545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315300545 is a deficient number, since it is larger than the sum of its proper divisors (124833619).

315300545 is a wasteful number, since it uses less digits than its factorization.

315300545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286960 (or 1286953 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 315300545 is about 17756.7042268547. The cubic root of 315300545 is about 680.6255381397.

The spelling of 315300545 in words is "three hundred fifteen million, three hundred thousand, five hundred forty-five".

Divisors: 1 5 7 35 49 245 1286941 6434705 9008587 45042935 63060109 315300545