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304325020 = 225127119813
BaseRepresentation
bin10010001000111…
…010000110011100
3210012122022110001
4102020322012130
51110401400040
650110424044
710353501646
oct2210720634
9705568401
10304325020
1114686898a
1285b02024
134b08359c
142c5bb896
151bab559a
hex1223a19c

304325020 has 24 divisors (see below), whose sum is σ = 644120064. Its totient is φ = 120770496.

The previous prime is 304325011. The next prime is 304325023. The reversal of 304325020 is 20523403.

304325020 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 2×3043250202 = 185227435596000800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304325023) 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, 57367 + ... + 62446.

It is an arithmetic number, because the mean of its divisors is an integer number (26838336).

Almost surely, 2304325020 is an apocalyptic number.

It is an amenable number.

304325020 is an abundant number, since it is smaller than the sum of its proper divisors (339795044).

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

304325020 is a wasteful number, since it uses less digits than its factorization.

304325020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119949 (or 119947 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 304325020 is about 17444.9138719571. The cubic root of 304325020 is about 672.6346252318.

Adding to 304325020 its reverse (20523403), we get a palindrome (324848423).

The spelling of 304325020 in words is "three hundred four million, three hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 119813 239626 479252 599065 1198130 2396260 15216251 30432502 60865004 76081255 152162510 304325020