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230232055 = 5711993259
BaseRepresentation
bin11011011100100…
…00111111110111
3121001020000000011
431232100333313
5432414411210
634502401051
75463640324
oct1556207767
9531200004
10230232055
11108a61829
1265130187
1338910ab1
1422811b4b
151532bd8a
hexdb90ff7

230232055 has 16 divisors (see below), whose sum is σ = 281664000. Its totient is φ = 180623520.

The previous prime is 230232049. The next prime is 230232059. The reversal of 230232055 is 550232032.

It is not a de Polignac number, because 230232055 - 27 = 230231927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230232059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69016 + ... + 72274.

It is an arithmetic number, because the mean of its divisors is an integer number (17604000).

Almost surely, 2230232055 is an apocalyptic number.

230232055 is a deficient number, since it is larger than the sum of its proper divisors (51431945).

230232055 is a wasteful number, since it uses less digits than its factorization.

230232055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 230232055 is about 15173.3995861178. The cubic root of 230232055 is about 612.8985538769.

Adding to 230232055 its reverse (550232032), we get a palindrome (780464087).

The spelling of 230232055 in words is "two hundred thirty million, two hundred thirty-two thousand, fifty-five".

Divisors: 1 5 71 199 355 995 3259 14129 16295 70645 231389 648541 1156945 3242705 46046411 230232055