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380304740 = 22519015237
BaseRepresentation
bin10110101010101…
…111110101100100
3222111121111000202
4112222233311210
51234324222430
6101423130032
712265352114
oct2652576544
9874544022
10380304740
11185743642
12a7443918
1360a36aba
1438719044
15235c2d45
hex16aafd64

380304740 has 12 divisors (see below), whose sum is σ = 798639996. Its totient is φ = 152121888.

The previous prime is 380304731. The next prime is 380304751. The reversal of 380304740 is 47403083.

It can be written as a sum of positive squares in 2 ways, for example, as 210888484 + 169416256 = 14522^2 + 13016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507599 + ... + 9507638.

It is an arithmetic number, because the mean of its divisors is an integer number (66553333).

Almost surely, 2380304740 is an apocalyptic number.

It is an amenable number.

380304740 is an abundant number, since it is smaller than the sum of its proper divisors (418335256).

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

380304740 is a wasteful number, since it uses less digits than its factorization.

380304740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19015246 (or 19015244 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 380304740 is about 19501.4035392328. The cubic root of 380304740 is about 724.5092136176.

The spelling of 380304740 in words is "three hundred eighty million, three hundred four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 19015237 38030474 76060948 95076185 190152370 380304740