Search a number
-
+
230033166 = 231123151537
BaseRepresentation
bin11011011011000…
…00011100001110
3121000211220011220
431231200130032
5432342030131
634454224210
75462151426
oct1555403416
9530756156
10230033166
11108936360
1265055066
13388713cc
142279d486
15152dce96
hexdb6070e

230033166 has 32 divisors (see below), whose sum is σ = 523715328. Its totient is φ = 66675840.

The previous prime is 230033161. The next prime is 230033173. The reversal of 230033166 is 661330032.

230033166 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230033161) 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, 74251 + ... + 77286.

It is an arithmetic number, because the mean of its divisors is an integer number (16366104).

Almost surely, 2230033166 is an apocalyptic number.

230033166 is an abundant number, since it is smaller than the sum of its proper divisors (293682162).

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

230033166 is a wasteful number, since it uses less digits than its factorization.

230033166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151576.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 230033166 is about 15166.8442993261. The cubic root of 230033166 is about 612.7220161968.

Adding to 230033166 its reverse (661330032), we get a palindrome (891363198).

The spelling of 230033166 in words is "two hundred thirty million, thirty-three thousand, one hundred sixty-six".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 151537 303074 454611 909222 1666907 3333814 3485351 5000721 6970702 10001442 10456053 20912106 38338861 76677722 115016583 230033166