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230354090 = 2523035409
BaseRepresentation
bin11011011101011…
…10110010101010
3121001110012101222
431232232302222
5432432312330
634505142042
75464656161
oct1556566252
9531405358
10230354090
1110903548a
126518a922
13389544c5
14228443d8
15153530e5
hexdbaecaa

230354090 has 8 divisors (see below), whose sum is σ = 414637380. Its totient is φ = 92141632.

The previous prime is 230354083. The next prime is 230354099. The reversal of 230354090 is 90453032.

It can be written as a sum of positive squares in 2 ways, for example, as 218773681 + 11580409 = 14791^2 + 3403^2 .

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

It is not an unprimeable number, because it can be changed into a prime (230354099) 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 3 ways as a sum of consecutive naturals, for example, 11517695 + ... + 11517714.

Almost surely, 2230354090 is an apocalyptic number.

230354090 is a deficient number, since it is larger than the sum of its proper divisors (184283290).

230354090 is a wasteful number, since it uses less digits than its factorization.

230354090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23035416.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 230354090 is about 15177.4204000548. The cubic root of 230354090 is about 613.0068241520.

The spelling of 230354090 in words is "two hundred thirty million, three hundred fifty-four thousand, ninety".

Divisors: 1 2 5 10 23035409 46070818 115177045 230354090