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230074431 = 3531447009
BaseRepresentation
bin11011011011010…
…10100000111111
3121000220222210020
431231222200333
5432344340211
634455143223
75462412636
oct1555524077
9530828706
10230074431
11108964364
1265074b13
1338887122
14227b051d
15152ea306
hexdb6a83f

230074431 has 8 divisors (see below), whose sum is σ = 312554160. Its totient is φ = 150488832.

The previous prime is 230074391. The next prime is 230074433. The reversal of 230074431 is 134470032.

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

It is not a de Polignac number, because 230074431 - 27 = 230074303 is a prime.

It is a super-2 number, since 2×2300744312 = 105868487599947522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230074433) 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, 723346 + ... + 723663.

It is an arithmetic number, because the mean of its divisors is an integer number (39069270).

Almost surely, 2230074431 is an apocalyptic number.

230074431 is a deficient number, since it is larger than the sum of its proper divisors (82479729).

230074431 is a wasteful number, since it uses less digits than its factorization.

230074431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447065.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 230074431 is about 15168.2046070061. The cubic root of 230074431 is about 612.7586521636.

The spelling of 230074431 in words is "two hundred thirty million, seventy-four thousand, four hundred thirty-one".

Divisors: 1 3 53 159 1447009 4341027 76691477 230074431