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230033310 = 23513589829
BaseRepresentation
bin11011011011000…
…00011110011110
3121000211220101020
431231200132132
5432342031220
634454225010
75462152023
oct1555403636
9530756336
10230033310
11108936481
1265055166
13388714b0
142279d54a
15152dd040
hexdb6079e

230033310 has 32 divisors (see below), whose sum is σ = 594548640. Its totient is φ = 56623488.

The previous prime is 230033291. The next prime is 230033317. The reversal of 230033310 is 13330032.

It is a super-2 number, since 2×2300333102 = 105830647419112200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230033310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230033317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294525 + ... + 295304.

It is an arithmetic number, because the mean of its divisors is an integer number (18579645).

Almost surely, 2230033310 is an apocalyptic number.

230033310 is an abundant number, since it is smaller than the sum of its proper divisors (364515330).

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

230033310 is a wasteful number, since it uses less digits than its factorization.

230033310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589852.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 230033310 is about 15166.8490465225. The cubic root of 230033310 is about 612.7221440508.

Adding to 230033310 its reverse (13330032), we get a palindrome (243363342).

The spelling of 230033310 in words is "two hundred thirty million, thirty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 589829 1179658 1769487 2949145 3538974 5898290 7667777 8847435 15335554 17694870 23003331 38338885 46006662 76677770 115016655 230033310