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230593845 = 3515372923
BaseRepresentation
bin11011011111010…
…01010100110101
3121001220101021210
431233221110311
5433013000340
634514232033
75500005156
oct1557512465
9531811253
10230593845
11109189629
1265285619
1338a09681
14228a792d
151539e180
hexdbe9535

230593845 has 8 divisors (see below), whose sum is σ = 368950176. Its totient is φ = 122983376.

The previous prime is 230593843. The next prime is 230593873. The reversal of 230593845 is 548395032.

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 230593845 - 21 = 230593843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230593843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7686447 + ... + 7686476.

It is an arithmetic number, because the mean of its divisors is an integer number (46118772).

Almost surely, 2230593845 is an apocalyptic number.

It is an amenable number.

230593845 is a deficient number, since it is larger than the sum of its proper divisors (138356331).

230593845 is a wasteful number, since it uses less digits than its factorization.

230593845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15372931.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 230593845 is about 15185.3167566567. The cubic root of 230593845 is about 613.2194250958.

The spelling of 230593845 in words is "two hundred thirty million, five hundred ninety-three thousand, eight hundred forty-five".

Divisors: 1 3 5 15 15372923 46118769 76864615 230593845