Search a number
-
+
315110250 = 2365371319
BaseRepresentation
bin10010110010000…
…011001101101010
3210221221021000000
4102302003031222
51121132012000
651133523430
710544251530
oct2262031552
9727837000
10315110250
11151964aa4
1289643576
135038b690
142dbc8150
151c9e6000
hex12c8336a

315110250 has 448 divisors, whose sum is σ = 1145813760. Its totient is φ = 62985600.

The previous prime is 315110227. The next prime is 315110251. The reversal of 315110250 is 52011513.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315110251) 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 223 ways as a sum of consecutive naturals, for example, 16584741 + ... + 16584759.

It is an arithmetic number, because the mean of its divisors is an integer number (2557620).

Almost surely, 2315110250 is an apocalyptic number.

315110250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315110250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572906880).

315110250 is an abundant number, since it is smaller than the sum of its proper divisors (830703510).

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

315110250 is a wasteful number, since it uses less digits than its factorization.

315110250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 315110250 is about 17751.3450194626. The cubic root of 315110250 is about 680.4885834107.

Adding to 315110250 its reverse (52011513), we get a palindrome (367121763).

The spelling of 315110250 in words is "three hundred fifteen million, one hundred ten thousand, two hundred fifty".