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230023032 = 23349919207
BaseRepresentation
bin11011011010111…
…01111101111000
3121000211101021120
431231131331320
5432341214112
634454105240
75462110041
oct1555357570
9530741246
10230023032
11108929788
126504b220
1338869905
14227998c8
15152d9e8c
hexdb5df78

230023032 has 32 divisors (see below), whose sum is σ = 576240000. Its totient is φ = 76516704.

The previous prime is 230022979. The next prime is 230023051. The reversal of 230023032 is 230320032.

It is a super-3 number, since 3×2300230323 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2373 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (18007500).

Almost surely, 2230023032 is an apocalyptic number.

It is an amenable number.

230023032 is an abundant number, since it is smaller than the sum of its proper divisors (346216968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230023032 is a wasteful number, since it uses less digits than its factorization.

230023032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19715 (or 19711 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 230023032 is about 15166.5102116472. The cubic root of 230023032 is about 612.7130183405.

Adding to 230023032 its reverse (230320032), we get a palindrome (460343064).

The spelling of 230023032 in words is "two hundred thirty million, twenty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 499 998 1497 1996 2994 3992 5988 11976 19207 38414 57621 76828 115242 153656 230484 460968 9584293 19168586 28752879 38337172 57505758 76674344 115011516 230023032