Search a number
-
+
300031000 = 23531971523
BaseRepresentation
bin10001111000100…
…001110000011000
3202220120011011021
4101320201300120
51103301443000
645434412224
710302135643
oct2170416030
9686504137
10300031000
111443a5805
1284591074
134a20bc49
142bbc0a5a
151b51811a
hex11e21c18

300031000 has 64 divisors (see below), whose sum is σ = 706099680. Its totient is φ = 119324800.

The previous prime is 300030971. The next prime is 300031027. The reversal of 300031000 is 130003.

It is a happy number.

300031000 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-2 number, since 2×3000310002 = 180037201922000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196239 + ... + 197761.

Almost surely, 2300031000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353049840).

300031000 is an abundant number, since it is smaller than the sum of its proper divisors (406068680).

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

300031000 is a wasteful number, since it uses less digits than its factorization.

300031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 300031000 is about 17321.4029454891. The cubic root of 300031000 is about 669.4560075340.

Adding to 300031000 its reverse (130003), we get a palindrome (300161003).

The spelling of 300031000 in words is "three hundred million, thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 197 200 250 394 500 788 985 1000 1523 1576 1970 3046 3940 4925 6092 7615 7880 9850 12184 15230 19700 24625 30460 38075 39400 49250 60920 76150 98500 152300 190375 197000 300031 304600 380750 600062 761500 1200124 1500155 1523000 2400248 3000310 6000620 7500775 12001240 15001550 30003100 37503875 60006200 75007750 150015500 300031000