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304211012 = 22729716001
BaseRepresentation
bin10010001000011…
…110010001000100
3210012102112001112
4102020132101010
51110334223022
650104144152
710352515400
oct2210362104
9705375045
10304211012
111467a0266
1285a68058
134b043721
142c58c100
151ba918e2
hex1221e444

304211012 has 36 divisors (see below), whose sum is σ = 625710204. Its totient is φ = 129024000.

The previous prime is 304210993. The next prime is 304211023. The reversal of 304211012 is 210112403.

It can be written as a sum of positive squares in 2 ways, for example, as 202322176 + 101888836 = 14224^2 + 10094^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11012 + ... + 27012.

It is an arithmetic number, because the mean of its divisors is an integer number (17380839).

Almost surely, 2304211012 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 304211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312855102).

304211012 is an abundant number, since it is smaller than the sum of its proper divisors (321499192).

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

304211012 is a wasteful number, since it uses less digits than its factorization.

304211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16116 (or 16107 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 304211012 is about 17441.6459085718. The cubic root of 304211012 is about 672.5506193155.

Adding to 304211012 its reverse (210112403), we get a palindrome (514323415).

The spelling of 304211012 in words is "three hundred four million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 7 14 28 49 97 98 194 196 388 679 1358 2716 4753 9506 16001 19012 32002 64004 112007 224014 448028 784049 1552097 1568098 3104194 3136196 6208388 10864679 21729358 43458716 76052753 152105506 304211012