Search a number
-
+
307824630 = 23510260821
BaseRepresentation
bin10010010110010…
…000011111110110
3210110020010000020
4102112100133312
51112300342010
650313430010
710425315621
oct2226203766
9713203006
10307824630
11148839223
128710b306
134ba0a469
142cc4cdb8
151c057470
hex125907f6

307824630 has 16 divisors (see below), whose sum is σ = 738779184. Its totient is φ = 82086560.

The previous prime is 307824623. The next prime is 307824641. The reversal of 307824630 is 36428703.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 307824591 and 307824600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5130381 + ... + 5130440.

It is an arithmetic number, because the mean of its divisors is an integer number (46173699).

Almost surely, 2307824630 is an apocalyptic number.

307824630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

307824630 is an abundant number, since it is smaller than the sum of its proper divisors (430954554).

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

307824630 is a wasteful number, since it uses less digits than its factorization.

307824630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10260831.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 307824630 is about 17544.9317468037. The cubic root of 307824630 is about 675.2031432469.

The spelling of 307824630 in words is "three hundred seven million, eight hundred twenty-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 10260821 20521642 30782463 51304105 61564926 102608210 153912315 307824630