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230453806 = 21110475173
BaseRepresentation
bin11011011110001…
…11001000101110
3121001122021012011
431233013020232
5432444010211
634511231434
75465552662
oct1557071056
9531567164
10230453806
111090a33a0
126521857a
133898a9cb
142286c8a2
1515372921
hexdbc722e

230453806 has 8 divisors (see below), whose sum is σ = 377106264. Its totient is φ = 104751720.

The previous prime is 230453789. The next prime is 230453809. The reversal of 230453806 is 608354032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230453809) 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, 5237565 + ... + 5237608.

It is an arithmetic number, because the mean of its divisors is an integer number (47138283).

Almost surely, 2230453806 is an apocalyptic number.

230453806 is a deficient number, since it is larger than the sum of its proper divisors (146652458).

230453806 is a wasteful number, since it uses less digits than its factorization.

230453806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475186.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 230453806 is about 15180.7050560901. The cubic root of 230453806 is about 613.0952644751.

The spelling of 230453806 in words is "two hundred thirty million, four hundred fifty-three thousand, eight hundred six".

Divisors: 1 2 11 22 10475173 20950346 115226903 230453806