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381625975 = 52101359421
BaseRepresentation
bin10110101111110…
…010011001110111
3222121002121102101
4112233302121313
51240144012400
6101511322531
712312524113
oct2657623167
9877077371
10381625975
11186466275
12a7980447
13610aa2b3
1438980743
152378456a
hex16bf2677

381625975 has 24 divisors (see below), whose sum is σ = 480371040. Its totient is φ = 300720000.

The previous prime is 381625961. The next prime is 381625997. The reversal of 381625975 is 579526183.

It is not a de Polignac number, because 381625975 - 27 = 381625847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906265 + ... + 906685.

It is an arithmetic number, because the mean of its divisors is an integer number (20015460).

Almost surely, 2381625975 is an apocalyptic number.

381625975 is a deficient number, since it is larger than the sum of its proper divisors (98745065).

381625975 is a wasteful number, since it uses less digits than its factorization.

381625975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 381625975 is about 19535.2495504921. The cubic root of 381625975 is about 725.3472613073.

It can be divided in two parts, 3816 and 25975, that added together give a cube (29791 = 313).

The spelling of 381625975 in words is "three hundred eighty-one million, six hundred twenty-five thousand, nine hundred seventy-five".

Divisors: 1 5 25 101 359 421 505 1795 2105 2525 8975 10525 36259 42521 151139 181295 212605 755695 906475 1063025 3778475 15265039 76325195 381625975