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381085084 = 2295271271
BaseRepresentation
bin10110101101101…
…110010110011100
3222120002010110101
4112231232112130
51240024210314
6101451550444
712305112142
oct2655562634
9876063411
10381085084
11186126956
12a775b424
1360c4b043
143887d592
15236c9174
hex16b6e59c

381085084 has 6 divisors (see below), whose sum is σ = 666898904. Its totient is φ = 190542540.

The previous prime is 381085069. The next prime is 381085087. The reversal of 381085084 is 480580183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381085087) 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 as a sum of consecutive naturals, namely, 47635632 + ... + 47635639.

Almost surely, 2381085084 is an apocalyptic number.

It is an amenable number.

381085084 is a deficient number, since it is larger than the sum of its proper divisors (285813820).

381085084 is a wasteful number, since it uses less digits than its factorization.

381085084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95271275 (or 95271273 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 381085084 is about 19521.4006669604. The cubic root of 381085084 is about 725.0044131321.

The spelling of 381085084 in words is "three hundred eighty-one million, eighty-five thousand, eighty-four".

Divisors: 1 2 4 95271271 190542542 381085084