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230534427 = 3292649821
BaseRepresentation
bin11011011110110…
…10110100011011
3121001210100210010
431233122310123
5433004100202
634513053003
75466340014
oct1557326433
9531710703
10230534427
11109148a22
1265257163
13389b8606
142289000b
151538b76c
hexdbdad1b

230534427 has 8 divisors (see below), whose sum is σ = 317978640. Its totient is φ = 148389920.

The previous prime is 230534413. The next prime is 230534443. The reversal of 230534427 is 724435032.

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

It is a cyclic number.

It is not a de Polignac number, because 230534427 - 24 = 230534411 is a prime.

It is a super-2 number, since 2×2305344272 = 106292244064436658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230534394 and 230534403.

It is not an unprimeable number, because it can be changed into a prime (230534477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324824 + ... + 1324997.

It is an arithmetic number, because the mean of its divisors is an integer number (39747330).

Almost surely, 2230534427 is an apocalyptic number.

230534427 is a deficient number, since it is larger than the sum of its proper divisors (87444213).

230534427 is a wasteful number, since it uses less digits than its factorization.

230534427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649853.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 230534427 is about 15183.3602012203. The cubic root of 230534427 is about 613.1667503712.

Adding to 230534427 its reverse (724435032), we get a palindrome (954969459).

The spelling of 230534427 in words is "two hundred thirty million, five hundred thirty-four thousand, four hundred twenty-seven".

Divisors: 1 3 29 87 2649821 7949463 76844809 230534427