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238608205 = 5114338331
BaseRepresentation
bin11100011100011…
…01111101001101
3121121222112220221
432032031331031
5442040430310
635402111341
75625064513
oct1616157515
9547875827
10238608205
11112762970
1267aab551
133a5844b4
14239924b3
1515e33ada
hexe38df4d

238608205 has 8 divisors (see below), whose sum is σ = 312359904. Its totient is φ = 173533200.

The previous prime is 238608197. The next prime is 238608211. The reversal of 238608205 is 502806832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238608205 - 23 = 238608197 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2169111 + ... + 2169220.

It is an arithmetic number, because the mean of its divisors is an integer number (39044988).

Almost surely, 2238608205 is an apocalyptic number.

It is an amenable number.

238608205 is a deficient number, since it is larger than the sum of its proper divisors (73751699).

238608205 is a wasteful number, since it uses less digits than its factorization.

238608205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338347.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 238608205 is about 15446.9480804462. The cubic root of 238608205 is about 620.2428852395.

The spelling of 238608205 in words is "two hundred thirty-eight million, six hundred eight thousand, two hundred five".

Divisors: 1 5 11 55 4338331 21691655 47721641 238608205