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230255141 = 385159791
BaseRepresentation
bin11011011100101…
…10101000100101
3121001021011200012
431232112220211
5432421131031
634503100005
75464064534
oct1556265045
9531234605
10230255141
11108a78106
1265141605
133891b45c
142281a31b
1515333b2b
hexdb96a25

230255141 has 4 divisors (see below), whose sum is σ = 230318784. Its totient is φ = 230191500.

The previous prime is 230255087. The next prime is 230255143. The reversal of 230255141 is 141552032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230255141 - 210 = 230254117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230255143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26045 + ... + 33746.

It is an arithmetic number, because the mean of its divisors is an integer number (57579696).

Almost surely, 2230255141 is an apocalyptic number.

It is an amenable number.

230255141 is a deficient number, since it is larger than the sum of its proper divisors (63643).

230255141 is an equidigital number, since it uses as much as digits as its factorization.

230255141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63642.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 230255141 is about 15174.1603062575. The cubic root of 230255141 is about 612.9190388656.

The spelling of 230255141 in words is "two hundred thirty million, two hundred fifty-five thousand, one hundred forty-one".

Divisors: 1 3851 59791 230255141