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381417111 = 32131323509
BaseRepresentation
bin10110101110111…
…111011010010111
3222120200222220200
4112232333122113
51240120321421
6101503031543
712310664145
oct2656773227
9876628820
10381417111
11186333359
12a789b5b3
13610361ca
1438928595
1523742726
hex16bbf697

381417111 has 12 divisors (see below), whose sum is σ = 555143160. Its totient is φ = 252336240.

The previous prime is 381417067. The next prime is 381417139. The reversal of 381417111 is 111714183.

It is not a de Polignac number, because 381417111 - 214 = 381400727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381417161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160576 + ... + 162933.

It is an arithmetic number, because the mean of its divisors is an integer number (46261930).

Almost surely, 2381417111 is an apocalyptic number.

381417111 is a deficient number, since it is larger than the sum of its proper divisors (173726049).

381417111 is a wasteful number, since it uses less digits than its factorization.

381417111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323646 (or 323643 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 381417111 is about 19529.9029951508. The cubic root of 381417111 is about 725.2149095745.

The spelling of 381417111 in words is "three hundred eighty-one million, four hundred seventeen thousand, one hundred eleven".

Divisors: 1 3 9 131 393 1179 323509 970527 2911581 42379679 127139037 381417111