Search a number
-
+
306430716 = 223157162649
BaseRepresentation
bin10010010000111…
…100001011111100
3210100121021220210
4102100330023330
51111421240331
650223512420
710410422004
oct2220741374
9710537823
10306430716
11147a76a29
1286758710
134b63cb67
142c9a9004
151bd7e446
hex1243c2fc

306430716 has 24 divisors (see below), whose sum is σ = 719563600. Its totient is φ = 101492352.

The previous prime is 306430703. The next prime is 306430717. The reversal of 306430716 is 617034603.

306430716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3064307163 (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 (306430717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79441 + ... + 83208.

Almost surely, 2306430716 is an apocalyptic number.

It is an amenable number.

306430716 is an abundant number, since it is smaller than the sum of its proper divisors (413132884).

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

306430716 is a wasteful number, since it uses less digits than its factorization.

306430716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162813 (or 162811 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 306430716 is about 17505.1625528014. The cubic root of 306430716 is about 674.1824329249.

The spelling of 306430716 in words is "three hundred six million, four hundred thirty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 162649 325298 487947 650596 975894 1951788 25535893 51071786 76607679 102143572 153215358 306430716