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381848404 = 227118711489
BaseRepresentation
bin10110110000101…
…000101101010100
3222121111220112111
4112300220231110
51240223122104
6101520200404
712314441440
oct2660505524
9877456474
10381848404
111865a83a3
12a7a69104
1361157602
14389db820
15237ca404
hex16c28b54

381848404 has 24 divisors (see below), whose sum is σ = 764406720. Its totient is φ = 163497216.

The previous prime is 381848381. The next prime is 381848417. The reversal of 381848404 is 404848183.

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 7 ways as a sum of consecutive naturals, for example, 27492 + ... + 38980.

It is an arithmetic number, because the mean of its divisors is an integer number (31850280).

Almost surely, 2381848404 is an apocalyptic number.

It is an amenable number.

381848404 is an abundant number, since it is smaller than the sum of its proper divisors (382558316).

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

381848404 is a wasteful number, since it uses less digits than its factorization.

381848404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687 (or 12685 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 381848404 is about 19540.9417377976. The cubic root of 381848404 is about 725.4881557446.

The spelling of 381848404 in words is "three hundred eighty-one million, eight hundred forty-eight thousand, four hundred four".

Divisors: 1 2 4 7 14 28 1187 2374 4748 8309 11489 16618 22978 33236 45956 80423 160846 321692 13637443 27274886 54549772 95462101 190924202 381848404