Search a number
-
+
316001320 = 2357900033
BaseRepresentation
bin10010110101011…
…100110000101000
3211000121112022121
4102311130300220
51121344020240
651205001024
710554652435
oct2265346050
9730545277
10316001320
11152413518
12899b3174
135061113b
142dd7ab8c
151cb2004a
hex12d5cc28

316001320 has 16 divisors (see below), whose sum is σ = 711003060. Its totient is φ = 126400512.

The previous prime is 316001299. The next prime is 316001327. The reversal of 316001320 is 23100613.

It can be written as a sum of positive squares in 2 ways, for example, as 314211076 + 1790244 = 17726^2 + 1338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316001294 and 316001303.

It is not an unprimeable number, because it can be changed into a prime (316001327) by changing a digit.

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, 3949977 + ... + 3950056.

Almost surely, 2316001320 is an apocalyptic number.

It is an amenable number.

316001320 is an abundant number, since it is smaller than the sum of its proper divisors (395001740).

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

316001320 is a wasteful number, since it uses less digits than its factorization.

316001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900044 (or 7900040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 316001320 is about 17776.4259624931. The cubic root of 316001320 is about 681.1294091743.

Adding to 316001320 its reverse (23100613), we get a palindrome (339101933).

The spelling of 316001320 in words is "three hundred sixteen million, one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 7900033 15800066 31600132 39500165 63200264 79000330 158000660 316001320