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230606429 = 673441887
BaseRepresentation
bin11011011111011…
…00011001011101
3121001221000112212
431233230121131
5433013401204
634514410205
75500056644
oct1557543135
9531830485
10230606429
11109198029
1265290965
1338a12311
14228ac35b
15153a2c6e
hexdbec65d

230606429 has 4 divisors (see below), whose sum is σ = 234048384. Its totient is φ = 227164476.

The previous prime is 230606423. The next prime is 230606447. The reversal of 230606429 is 924606032.

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 a de Polignac number, because none of the positive numbers 2k-230606429 is a prime.

It is a super-2 number, since 2×2306064292 = 106358650192264082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230606395 and 230606404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230606423) 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, 1720877 + ... + 1721010.

It is an arithmetic number, because the mean of its divisors is an integer number (58512096).

Almost surely, 2230606429 is an apocalyptic number.

It is an amenable number.

230606429 is a deficient number, since it is larger than the sum of its proper divisors (3441955).

230606429 is an equidigital number, since it uses as much as digits as its factorization.

230606429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441954.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 230606429 is about 15185.7310986333. The cubic root of 230606429 is about 613.2305797920.

The spelling of 230606429 in words is "two hundred thirty million, six hundred six thousand, four hundred twenty-nine".

Divisors: 1 67 3441887 230606429