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118681241 = 759328591
BaseRepresentation
bin1110001001011…
…10111010011001
322021022122001112
413010232322121
5220340244431
615435430105
72640526310
oct704567231
9267278045
10118681241
1160aa0a78
12338b5335
131b7848b3
1411a95277
15a644c2b
hex712ee99

118681241 has 8 divisors (see below), whose sum is σ = 135869184. Its totient is φ = 101551680.

The previous prime is 118681231. The next prime is 118681243. The reversal of 118681241 is 142186811.

It is a happy number.

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 118681241 - 218 = 118419097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118681198 and 118681207.

It is not an unprimeable number, because it can be changed into a prime (118681243) 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, 10145 + ... + 18446.

It is an arithmetic number, because the mean of its divisors is an integer number (16983648).

Almost surely, 2118681241 is an apocalyptic number.

It is an amenable number.

118681241 is a deficient number, since it is larger than the sum of its proper divisors (17187943).

118681241 is an equidigital number, since it uses as much as digits as its factorization.

118681241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29191.

The product of its digits is 3072, while the sum is 32.

The square root of 118681241 is about 10894.0920227433. The cubic root of 118681241 is about 491.4289000447.

The spelling of 118681241 in words is "one hundred eighteen million, six hundred eighty-one thousand, two hundred forty-one".

Divisors: 1 7 593 4151 28591 200137 16954463 118681241