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381933112 = 2311335869
BaseRepresentation
bin10110110000111…
…101011000111000
3222121200012201211
4112300331120320
51240233324422
6101522052504
712315243421
oct2660753070
9877605654
10381933112
11186656000
12a7aaa134
1361187032
1438a20648
15237e5577
hex16c3d638

381933112 has 32 divisors (see below), whose sum is σ = 787705200. Its totient is φ = 173601120.

The previous prime is 381933077. The next prime is 381933119. The reversal of 381933112 is 211339183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381933119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7287 + ... + 28582.

Almost surely, 2381933112 is an apocalyptic number.

It is an amenable number.

381933112 is an abundant number, since it is smaller than the sum of its proper divisors (405772088).

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

381933112 is a wasteful number, since it uses less digits than its factorization.

381933112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35908 (or 35882 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 381933112 is about 19543.1090668808. The cubic root of 381933112 is about 725.5417984174.

The spelling of 381933112 in words is "three hundred eighty-one million, nine hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 1331 2662 5324 10648 35869 71738 143476 286952 394559 789118 1578236 3156472 4340149 8680298 17360596 34721192 47741639 95483278 190966556 381933112