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304053144 = 23312668881
BaseRepresentation
bin10010000111110…
…111101110011000
3210012010111111120
4102013313232120
51110314200034
650100525240
710351260213
oct2207675630
9705114446
10304053144
111466a269a
12859b0820
134acb9905
142c54a77a
151ba5ec49
hex121f7b98

304053144 has 16 divisors (see below), whose sum is σ = 760132920. Its totient is φ = 101351040.

The previous prime is 304053133. The next prime is 304053163. The reversal of 304053144 is 441350403.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 12668881 = 304053144 / (3 + 0 + 4 + 0 + 5 + 3 + 1 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6334417 + ... + 6334464.

Almost surely, 2304053144 is an apocalyptic number.

It is an amenable number.

304053144 is an abundant number, since it is smaller than the sum of its proper divisors (456079776).

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

304053144 is a wasteful number, since it uses less digits than its factorization.

304053144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668890 (or 12668886 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 304053144 is about 17437.1197162834. The cubic root of 304053144 is about 672.4342608358.

The spelling of 304053144 in words is "three hundred four million, fifty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 12668881 25337762 38006643 50675524 76013286 101351048 152026572 304053144