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230429069 = 1319391841
BaseRepresentation
bin11011011110000…
…01000110001101
3121001121000020222
431233001012031
5432442212234
634510521125
75465420603
oct1557010615
9531530228
10230429069
11109086852
12652061a5
133897c680
1422863873
151536a42e
hexdbc118d

230429069 has 8 divisors (see below), whose sum is σ = 249442872. Its totient is φ = 211599360.

The previous prime is 230429063. The next prime is 230429077. The reversal of 230429069 is 960924032.

230429069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12866569 + 217562500 = 3587^2 + 14750^2 .

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 230429069 - 28 = 230428813 is a prime.

It is a super-4 number, since 4×2304290694 (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230429063) 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, 43412 + ... + 48429.

It is an arithmetic number, because the mean of its divisors is an integer number (31180359).

Almost surely, 2230429069 is an apocalyptic number.

It is an amenable number.

230429069 is a deficient number, since it is larger than the sum of its proper divisors (19013803).

230429069 is a wasteful number, since it uses less digits than its factorization.

230429069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92047.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 230429069 is about 15179.8902828710. The cubic root of 230429069 is about 613.0733270631.

The spelling of 230429069 in words is "two hundred thirty million, four hundred twenty-nine thousand, sixty-nine".

Divisors: 1 13 193 2509 91841 1193933 17725313 230429069