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381582804 = 22354075881
BaseRepresentation
bin10110101111100…
…111110111010100
3222121000102012110
4112233213313110
51240141122204
6101510351020
712312254211
oct2657476724
9877012173
10381582804
11186436899
12a795b470
1361093755
143896cb08
1523776889
hex16be7dd4

381582804 has 24 divisors (see below), whose sum is σ = 890675968. Its totient is φ = 127149120.

The previous prime is 381582793. The next prime is 381582827. The reversal of 381582804 is 408285183.

381582804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61944 + ... + 67824.

Almost surely, 2381582804 is an apocalyptic number.

It is an amenable number.

381582804 is an abundant number, since it is smaller than the sum of its proper divisors (509093164).

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

381582804 is a wasteful number, since it uses less digits than its factorization.

381582804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295 (or 11293 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 381582804 is about 19534.1445679098. The cubic root of 381582804 is about 725.3199089173.

The spelling of 381582804 in words is "three hundred eighty-one million, five hundred eighty-two thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 5407 5881 10814 11762 16221 17643 21628 23524 32442 35286 64884 70572 31798567 63597134 95395701 127194268 190791402 381582804