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230440029 = 3233329671
BaseRepresentation
bin11011011110000…
…11110001011101
3121001121120021220
431233003301131
5432443040104
634511043553
75465464551
oct1557036135
9531546256
10230440029
11109094006
12652105b9
1338984661
1422867861
151536d7d9
hexdbc3c5d

230440029 has 8 divisors (see below), whose sum is σ = 308572992. Its totient is φ = 152966880.

The previous prime is 230440027. The next prime is 230440039. The reversal of 230440029 is 920044032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230440029 - 21 = 230440027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230439990 and 230440008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230440027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164137 + ... + 165534.

It is an arithmetic number, because the mean of its divisors is an integer number (38571624).

Almost surely, 2230440029 is an apocalyptic number.

It is an amenable number.

230440029 is a deficient number, since it is larger than the sum of its proper divisors (78132963).

230440029 is a wasteful number, since it uses less digits than its factorization.

230440029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329907.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 230440029 is about 15180.2512825052. The cubic root of 230440029 is about 613.0830468685.

The spelling of 230440029 in words is "two hundred thirty million, four hundred forty thousand, twenty-nine".

Divisors: 1 3 233 699 329671 989013 76813343 230440029