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304863130 = 251121319381
BaseRepresentation
bin10010001010111…
…101011110011010
3210020122122121001
4102022331132122
51111021110010
650130135214
710361202535
oct2212753632
9706578531
10304863130
111470a6200
128612150a
134b2114b0
142c6bba1c
151bb6ec3a
hex122bd79a

304863130 has 48 divisors (see below), whose sum is σ = 649607112. Its totient is φ = 102326400.

The previous prime is 304863107. The next prime is 304863149. The reversal of 304863130 is 31368403.

It can be written as a sum of positive squares in 4 ways, for example, as 231435369 + 73427761 = 15213^2 + 8569^2 .

It is a super-3 number, since 3×3048631303 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6040 + ... + 25420.

Almost surely, 2304863130 is an apocalyptic number.

304863130 is an abundant number, since it is smaller than the sum of its proper divisors (344743982).

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

304863130 is a wasteful number, since it uses less digits than its factorization.

304863130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423 (or 19412 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 304863130 is about 17460.3301801541. The cubic root of 304863130 is about 673.0308444805.

The spelling of 304863130 in words is "three hundred four million, eight hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 121 130 143 242 286 605 715 1210 1430 1573 3146 7865 15730 19381 38762 96905 193810 213191 251953 426382 503906 1065955 1259765 2131910 2345101 2519530 2771483 4690202 5542966 11725505 13857415 23451010 27714830 30486313 60972626 152431565 304863130