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230003007 = 31347179701
BaseRepresentation
bin11011011010110…
…01000100111111
3121000210100210220
431231121010333
5432340044012
634453432423
75461664463
oct1555310477
9530710726
10230003007
11108915733
126503b713
1338860770
14227924a3
15152d408c
hexdb5913f

230003007 has 32 divisors (see below), whose sum is σ = 339655680. Its totient is φ = 137558400.

The previous prime is 230003003. The next prime is 230003023. The reversal of 230003007 is 700300032.

It is not a de Polignac number, because 230003007 - 22 = 230003003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230003003) 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 31 ways as a sum of consecutive naturals, for example, 327757 + ... + 328457.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2230003007 is an apocalyptic number.

230003007 is a deficient number, since it is larger than the sum of its proper divisors (109652673).

230003007 is a wasteful number, since it uses less digits than its factorization.

230003007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 230003007 is about 15165.8500256332. The cubic root of 230003007 is about 612.6952376077.

Adding to 230003007 its reverse (700300032), we get a palindrome (930303039).

The spelling of 230003007 in words is "two hundred thirty million, three thousand, seven".

Divisors: 1 3 13 39 47 141 179 537 611 701 1833 2103 2327 6981 8413 9113 25239 27339 32947 98841 109369 125479 328107 376437 428311 1284933 1631227 4893681 5897513 17692539 76667669 230003007