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238285375 = 533161493
BaseRepresentation
bin11100011001111…
…11001000111111
3121121101011002021
432030333020333
5442000113000
635351141011
75622251356
oct1614771077
9547334067
10238285375
11112562369
1267974767
133a4a0583
142390a99d
1515dbd11a
hexe33f23f

238285375 has 16 divisors (see below), whose sum is σ = 306978048. Its totient is φ = 184476000.

The previous prime is 238285367. The next prime is 238285387. The reversal of 238285375 is 573582832.

It is not a de Polignac number, because 238285375 - 23 = 238285367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26872 + ... + 34621.

It is an arithmetic number, because the mean of its divisors is an integer number (19186128).

Almost surely, 2238285375 is an apocalyptic number.

238285375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238285375 is a deficient number, since it is larger than the sum of its proper divisors (68692673).

238285375 is an equidigital number, since it uses as much as digits as its factorization.

238285375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61539 (or 61529 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 238285375 is about 15436.4949065518. The cubic root of 238285375 is about 619.9630354306.

The spelling of 238285375 in words is "two hundred thirty-eight million, two hundred eighty-five thousand, three hundred seventy-five".

Divisors: 1 5 25 31 125 155 775 3875 61493 307465 1537325 1906283 7686625 9531415 47657075 238285375