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230087 = 11131609
BaseRepresentation
bin111000001011000111
3102200121202
4320023013
524330322
64533115
71645544
oct701307
9380552
10230087
11147960
12b119b
1380960
145dbcb
1548292
hex382c7

230087 has 8 divisors (see below), whose sum is σ = 270480. Its totient is φ = 192960.

The previous prime is 230081. The next prime is 230089. The reversal of 230087 is 780032.

230087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230081) 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, 662 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (33810).

2230087 is an apocalyptic number.

230087 is a deficient number, since it is larger than the sum of its proper divisors (40393).

230087 is a wasteful number, since it uses less digits than its factorization.

230087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 230087 is about 479.6738475256. The cubic root of 230087 is about 61.2769810325.

Subtracting 230087 from its reverse (780032), we obtain a palindrome (549945).

The spelling of 230087 in words is "two hundred thirty thousand, eighty-seven".

Divisors: 1 11 13 143 1609 17699 20917 230087