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381254482 = 271071391831
BaseRepresentation
bin10110101110010…
…111101101010010
3222120101201211101
4112232113231102
51240100120412
6101455335014
712306416050
oct2656275522
9876351741
10381254482
11186232154
12a782146a
1360caa18b
14388c51d0
152370e457
hex16b97b52

381254482 has 32 divisors (see below), whose sum is σ = 664796160. Its totient is φ = 160615440.

The previous prime is 381254479. The next prime is 381254483. The reversal of 381254482 is 284452183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (381254483) 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 in 15 ways as a sum of consecutive naturals, for example, 207307 + ... + 209137.

It is an arithmetic number, because the mean of its divisors is an integer number (20774880).

Almost surely, 2381254482 is an apocalyptic number.

381254482 is a deficient number, since it is larger than the sum of its proper divisors (283541678).

381254482 is a wasteful number, since it uses less digits than its factorization.

381254482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its digits is 61440, while the sum is 37.

The square root of 381254482 is about 19525.7389616885. The cubic root of 381254482 is about 725.1118223080. Note that the first 3 decimals are identical.

The spelling of 381254482 in words is "three hundred eighty-one million, two hundred fifty-four thousand, four hundred eighty-two".

Divisors: 1 2 7 14 107 139 214 278 749 973 1498 1831 1946 3662 12817 14873 25634 29746 104111 195917 208222 254509 391834 509018 1371419 1781563 2742838 3563126 27232463 54464926 190627241 381254482