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230496109 = 1979116471
BaseRepresentation
bin11011011110100…
…01011101101101
3121001201102012221
431233101131231
5433001333414
634512155341
75466120214
oct1557213555
9531642187
10230496109
11109122158
1265238b51
13389a403c
142288007b
1515380224
hexdbd176d

230496109 has 4 divisors (see below), whose sum is σ = 230614560. Its totient is φ = 230377660.

The previous prime is 230496103. The next prime is 230496139. The reversal of 230496109 is 901694032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230496109 - 27 = 230495981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230496103) 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, 56257 + ... + 60214.

It is an arithmetic number, because the mean of its divisors is an integer number (57653640).

Almost surely, 2230496109 is an apocalyptic number.

It is an amenable number.

230496109 is a deficient number, since it is larger than the sum of its proper divisors (118451).

230496109 is a wasteful number, since it uses less digits than its factorization.

230496109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118450.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 230496109 is about 15182.0983068876. The cubic root of 230496109 is about 613.1327762331.

The spelling of 230496109 in words is "two hundred thirty million, four hundred ninety-six thousand, one hundred nine".

Divisors: 1 1979 116471 230496109