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230055043 = 1619142097
BaseRepresentation
bin11011011011001…
…01110010000011
3121000220000012011
431231211302003
5432343230133
634454513351
75462302261
oct1555456203
9530800164
10230055043
11108950839
1265065857
133887b35a
14227a7431
15152e46cd
hexdb65c83

230055043 has 4 divisors (see below), whose sum is σ = 230198760. Its totient is φ = 229911328.

The previous prime is 230055041. The next prime is 230055071. The reversal of 230055043 is 340550032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230055043 - 21 = 230055041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230055041) 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, 69430 + ... + 72667.

It is an arithmetic number, because the mean of its divisors is an integer number (57549690).

Almost surely, 2230055043 is an apocalyptic number.

230055043 is a deficient number, since it is larger than the sum of its proper divisors (143717).

230055043 is a wasteful number, since it uses less digits than its factorization.

230055043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143716.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 230055043 is about 15167.5654935128. The cubic root of 230055043 is about 612.7414396200.

The spelling of 230055043 in words is "two hundred thirty million, fifty-five thousand, forty-three".

Divisors: 1 1619 142097 230055043