Search a number
-
+
238557113 = 893078731
BaseRepresentation
bin11100011100000…
…01011110111001
3121121212221211122
432032001132321
5442032311423
635401035025
75624462534
oct1616013671
9547787748
10238557113
11112728543
1267a85a75
133a567172
142397ba1b
1515e238c8
hexe3817b9

238557113 has 8 divisors (see below), whose sum is σ = 242051040. Its totient is φ = 235081440.

The previous prime is 238557097. The next prime is 238557191. The reversal of 238557113 is 311755832.

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

It is a cyclic number.

It is not a de Polignac number, because 238557113 - 24 = 238557097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238557013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22958 + ... + 31688.

It is an arithmetic number, because the mean of its divisors is an integer number (30256380).

Almost surely, 2238557113 is an apocalyptic number.

It is an amenable number.

238557113 is a deficient number, since it is larger than the sum of its proper divisors (3493927).

238557113 is an equidigital number, since it uses as much as digits as its factorization.

238557113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127.

The product of its digits is 25200, while the sum is 35.

The square root of 238557113 is about 15445.2942024424. The cubic root of 238557113 is about 620.1986122278.

The spelling of 238557113 in words is "two hundred thirty-eight million, five hundred fifty-seven thousand, one hundred thirteen".

Divisors: 1 89 307 8731 27323 777059 2680417 238557113