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380258868 = 223114336653
BaseRepresentation
bin10110101010100…
…100101000110100
3222111112011002210
4112222210220310
51234321240433
6101422133420
712265101303
oct2652445064
9874464083
10380258868
11185712130
12a7421270
1360a1bc62
143870643a
15235b4463
hex16aa4a34

380258868 has 48 divisors (see below), whose sum is σ = 970312896. Its totient is φ = 114946560.

The previous prime is 380258849. The next prime is 380258881. The reversal of 380258868 is 868852083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53830 + ... + 60482.

It is an arithmetic number, because the mean of its divisors is an integer number (20214852).

Almost surely, 2380258868 is an apocalyptic number.

It is an amenable number.

380258868 is an abundant number, since it is smaller than the sum of its proper divisors (590054028).

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

380258868 is a wasteful number, since it uses less digits than its factorization.

380258868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 380258868 is about 19500.2273832897. The cubic root of 380258868 is about 724.4800825730.

The spelling of 380258868 in words is "three hundred eighty million, two hundred fifty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 433 866 1299 1732 2598 4763 5196 6653 9526 13306 14289 19052 19959 26612 28578 39918 57156 73183 79836 146366 219549 292732 439098 878196 2880749 5761498 8642247 11522996 17284494 31688239 34568988 63376478 95064717 126752956 190129434 380258868