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230462077 = 1912129583
BaseRepresentation
bin11011011110010…
…01001001111101
3121001122200112111
431233021021331
5432444241302
634511334021
75465616046
oct1557111175
9531580474
10230462077
111090a962a
1265221311
13389916c1
14228718cd
15153750d7
hexdbc927d

230462077 has 4 divisors (see below), whose sum is σ = 242591680. Its totient is φ = 218332476.

The previous prime is 230462021. The next prime is 230462119. The reversal of 230462077 is 770264032.

It is a happy number.

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 230462077 - 223 = 222073469 is a prime.

It is a super-2 number, since 2×2304620772 = 106225537870307858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230462017) 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, 6064773 + ... + 6064810.

It is an arithmetic number, because the mean of its divisors is an integer number (60647920).

Almost surely, 2230462077 is an apocalyptic number.

It is an amenable number.

230462077 is a deficient number, since it is larger than the sum of its proper divisors (12129603).

230462077 is a wasteful number, since it uses less digits than its factorization.

230462077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129602.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 230462077 is about 15180.9774718231. The cubic root of 230462077 is about 613.1025990618.

The spelling of 230462077 in words is "two hundred thirty million, four hundred sixty-two thousand, seventy-seven".

Divisors: 1 19 12129583 230462077