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230230129 = 419675807
BaseRepresentation
bin11011011100100…
…00100001110001
3121001012220100211
431232100201301
5432414331004
634502344121
75463631603
oct1556204161
9531186324
10230230129
11108a60338
126512b041
133890cc5c
1422811173
151532b504
hexdb90871

230230129 has 8 divisors (see below), whose sum is σ = 236130048. Its totient is φ = 224343840.

The previous prime is 230230123. The next prime is 230230151. The reversal of 230230129 is 921032032.

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 230230129 - 25 = 230230097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230230123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36744 + ... + 42550.

It is an arithmetic number, because the mean of its divisors is an integer number (29516256).

Almost surely, 2230230129 is an apocalyptic number.

It is an amenable number.

230230129 is a deficient number, since it is larger than the sum of its proper divisors (5899919).

230230129 is an equidigital number, since it uses as much as digits as its factorization.

230230129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 230230129 is about 15173.3361196541. The cubic root of 230230129 is about 612.8968448101.

The spelling of 230230129 in words is "two hundred thirty million, two hundred thirty thousand, one hundred twenty-nine".

Divisors: 1 41 967 5807 39647 238087 5615369 230230129