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230032411 = 72192111171
BaseRepresentation
bin11011011011000…
…00010000011011
3121000211212010221
431231200100123
5432342014121
634454220511
75462146300
oct1555402033
9530755127
10230032411
11108935834
1265054737
1338870c6b
142279d0a7
15152dcb41
hexdb6041b

230032411 has 24 divisors (see below), whose sum is σ = 283248960. Its totient is φ = 185749200.

The previous prime is 230032399. The next prime is 230032459. The reversal of 230032411 is 114230032.

It is a happy number.

It is not a de Polignac number, because 230032411 - 29 = 230031899 is a prime.

It is a super-2 number, since 2×2300324112 = 105829820220945842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230032111) 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 23 ways as a sum of consecutive naturals, for example, 195856 + ... + 197026.

It is an arithmetic number, because the mean of its divisors is an integer number (11802040).

Almost surely, 2230032411 is an apocalyptic number.

230032411 is a deficient number, since it is larger than the sum of its proper divisors (53216549).

230032411 is a wasteful number, since it uses less digits than its factorization.

230032411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230032411 is about 15166.8194094873. The cubic root of 230032411 is about 612.7213458505.

Adding to 230032411 its reverse (114230032), we get a palindrome (344262443).

The spelling of 230032411 in words is "two hundred thirty million, thirty-two thousand, four hundred eleven".

Divisors: 1 7 19 49 133 211 931 1171 1477 4009 8197 10339 22249 28063 57379 155743 196441 247081 1090201 1729567 4694539 12106969 32861773 230032411