Search a number
-
+
305307494 = 2254360029
BaseRepresentation
bin10010001100101…
…001111101100110
3210021111020010222
4102030221331212
51111124314434
650143444342
710365033212
oct2214517546
9707436128
10305307494
1114737a048
12862b66b2
134b33882b
142c795942
151bc0b72e
hex12329f66

305307494 has 8 divisors (see below), whose sum is σ = 458148960. Its totient is φ = 152591176.

The previous prime is 305307491. The next prime is 305307511. The reversal of 305307494 is 494703503.

305307494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×3053074943 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305307491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24929 + ... + 35100.

It is an arithmetic number, because the mean of its divisors is an integer number (57268620).

Almost surely, 2305307494 is an apocalyptic number.

305307494 is a deficient number, since it is larger than the sum of its proper divisors (152841466).

305307494 is a wasteful number, since it uses less digits than its factorization.

305307494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62574.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 305307494 is about 17473.0505064227. The cubic root of 305307494 is about 673.3576856750.

The spelling of 305307494 in words is "three hundred five million, three hundred seven thousand, four hundred ninety-four".

Divisors: 1 2 2543 5086 60029 120058 152653747 305307494