Search a number
-
+
305725116 = 223113225461
BaseRepresentation
bin10010001110001…
…111111010111100
3210022021110000110
4102032033322330
51111231200431
650200430020
710401422604
oct2216177274
9708243013
10305725116
11147634894
1286478310
134b453948
142c863c04
151bc90346
hex1238febc

305725116 has 24 divisors (see below), whose sum is σ = 719674704. Its totient is φ = 101006080.

The previous prime is 305725111. The next prime is 305725157. The reversal of 305725116 is 611527503.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305725111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111375 + ... + 114086.

It is an arithmetic number, because the mean of its divisors is an integer number (29986446).

Almost surely, 2305725116 is an apocalyptic number.

It is an amenable number.

305725116 is an abundant number, since it is smaller than the sum of its proper divisors (413949588).

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

305725116 is a wasteful number, since it uses less digits than its factorization.

305725116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225581 (or 225579 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 305725116 is about 17484.9968830423. The cubic root of 305725116 is about 673.6645684810.

The spelling of 305725116 in words is "three hundred five million, seven hundred twenty-five thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 225461 450922 676383 901844 1352766 2705532 25477093 50954186 76431279 101908372 152862558 305725116