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381883063 = 1369127893
BaseRepresentation
bin10110110000110…
…001001010110111
3222121120200002011
4112300301022313
51240230224223
6101521025051
712314644462
oct2660611267
9877520064
10381883063
11186621441
12a7a85187
136116a313
1438a0a2d9
15237d580d
hex16c312b7

381883063 has 4 divisors (see below), whose sum is σ = 381924648. Its totient is φ = 381841480.

The previous prime is 381883013. The next prime is 381883067. The reversal of 381883063 is 360388183.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 360388183 = 615908003.

It is a cyclic number.

It is not a de Polignac number, because 381883063 - 29 = 381882551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381883067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256 + ... + 27637.

It is an arithmetic number, because the mean of its divisors is an integer number (95481162).

Almost surely, 2381883063 is an apocalyptic number.

381883063 is a deficient number, since it is larger than the sum of its proper divisors (41585).

381883063 is a wasteful number, since it uses less digits than its factorization.

381883063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41584.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 381883063 is about 19541.8285480146. The cubic root of 381883063 is about 725.5101050601.

The spelling of 381883063 in words is "three hundred eighty-one million, eight hundred eighty-three thousand, sixty-three".

Divisors: 1 13691 27893 381883063