Search a number
-
+
315626564 = 22112652121
BaseRepresentation
bin10010110100000…
…001010001000100
3210222220111020202
4102310001101010
51121300022224
651152550032
710551532031
oct2264012104
9728814222
10315626564
11152187a00
1289852318
135050c6a6
142dcc0388
151ca98eae
hex12d01444

315626564 has 18 divisors (see below), whose sum is σ = 607125582. Its totient is φ = 143466400.

The previous prime is 315626561. The next prime is 315626581. The reversal of 315626564 is 465626513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 313644100 + 1982464 = 17710^2 + 1408^2 .

It is not an unprimeable number, because it can be changed into a prime (315626561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325577 + ... + 326544.

It is an arithmetic number, because the mean of its divisors is an integer number (33729199).

Almost surely, 2315626564 is an apocalyptic number.

It is an amenable number.

315626564 is a deficient number, since it is larger than the sum of its proper divisors (291499018).

315626564 is a wasteful number, since it uses less digits than its factorization.

315626564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652147 (or 652134 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 315626564 is about 17765.8820214477. The cubic root of 315626564 is about 680.8600449985.

The spelling of 315626564 in words is "three hundred fifteen million, six hundred twenty-six thousand, five hundred sixty-four".

Divisors: 1 2 4 11 22 44 121 242 484 652121 1304242 2608484 7173331 14346662 28693324 78906641 157813282 315626564