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238540075 = 5249119433
BaseRepresentation
bin11100011011111…
…01010100101011
3121121212002110121
432031331110223
5442031240300
635400424111
75624362054
oct1615752453
9547762417
10238540075
11112716764
1267a78037
133a55c497
142397572b
1515e1d81a
hexe37d52b

238540075 has 12 divisors (see below), whose sum is σ = 296407368. Its totient is φ = 190433600.

The previous prime is 238540067. The next prime is 238540111. The reversal of 238540075 is 570045832.

It is a happy number.

It is not a de Polignac number, because 238540075 - 23 = 238540067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238540075.

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 11 ways as a sum of consecutive naturals, for example, 2559 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (24700614).

Almost surely, 2238540075 is an apocalyptic number.

238540075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238540075 is a deficient number, since it is larger than the sum of its proper divisors (57867293).

238540075 is a wasteful number, since it uses less digits than its factorization.

238540075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19934 (or 19929 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 238540075 is about 15444.7426330127. The cubic root of 238540075 is about 620.1838467971.

The spelling of 238540075 in words is "two hundred thirty-eight million, five hundred forty thousand, seventy-five".

Divisors: 1 5 25 491 2455 12275 19433 97165 485825 9541603 47708015 238540075