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381011324 = 22634315017
BaseRepresentation
bin10110101101011…
…100010101111100
3222112221101021112
4112231130111330
51240014330244
6101450221152
712304354121
oct2655342574
9875841245
10381011324
111860864a1
12a77247b8
1360c235b5
1438860748
15236b239e
hex16b5c57c

381011324 has 12 divisors (see below), whose sum is σ = 666919344. Its totient is φ = 190462944.

The previous prime is 381011299. The next prime is 381011339. The reversal of 381011324 is 423110183.

It is a self number, because there is not a number n which added to its sum of digits gives 381011324.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 17864 + ... + 32880.

It is an arithmetic number, because the mean of its divisors is an integer number (55576612).

Almost surely, 2381011324 is an apocalyptic number.

It is an amenable number.

381011324 is a deficient number, since it is larger than the sum of its proper divisors (285908020).

381011324 is a wasteful number, since it uses less digits than its factorization.

381011324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364 (or 21362 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 381011324 is about 19519.5113668350. The cubic root of 381011324 is about 724.9576346231.

The spelling of 381011324 in words is "three hundred eighty-one million, eleven thousand, three hundred twenty-four".

Divisors: 1 2 4 6343 12686 15017 25372 30034 60068 95252831 190505662 381011324