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380758841 = 1941488779
BaseRepresentation
bin10110101100011…
…110101100111001
3222112110112221022
4112230132230321
51234433240331
6101440552225
712302253041
oct2654365471
9875415838
10380758841
11185a23831
12a7622675
1360b656b8
14387d6721
152366267b
hex16b1eb39

380758841 has 8 divisors (see below), whose sum is σ = 410575200. Its totient is φ = 351920160.

The previous prime is 380758799. The next prime is 380758867. The reversal of 380758841 is 148857083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380758841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380758792 and 380758801.

It is not an unprimeable number, because it can be changed into a prime (380754841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243611 + ... + 245168.

It is an arithmetic number, because the mean of its divisors is an integer number (51321900).

Almost surely, 2380758841 is an apocalyptic number.

It is an amenable number.

380758841 is a deficient number, since it is larger than the sum of its proper divisors (29816359).

380758841 is a wasteful number, since it uses less digits than its factorization.

380758841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488839.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 380758841 is about 19513.0428431857. The cubic root of 380758841 is about 724.7974644714.

The spelling of 380758841 in words is "three hundred eighty million, seven hundred fifty-eight thousand, eight hundred forty-one".

Divisors: 1 19 41 779 488779 9286801 20039939 380758841