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230669043 = 3118978539
BaseRepresentation
bin11011011111110…
…11101011110011
3121002001012102220
431233323223303
5433022402133
634520012123
75500440333
oct1557735363
9532035386
10230669043
11109230080
1265301043
1338a34977
14228c70c3
15153b65b3
hexdbfbaf3

230669043 has 16 divisors (see below), whose sum is σ = 339292800. Its totient is φ = 138226880.

The previous prime is 230669041. The next prime is 230669051. The reversal of 230669043 is 340966032.

It is not a de Polignac number, because 230669043 - 21 = 230669041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 230668995 and 230669013.

It is not an unprimeable number, because it can be changed into a prime (230669041) 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, 36333 + ... + 42206.

It is an arithmetic number, because the mean of its divisors is an integer number (21205800).

Almost surely, 2230669043 is an apocalyptic number.

230669043 is a deficient number, since it is larger than the sum of its proper divisors (108623757).

230669043 is a wasteful number, since it uses less digits than its factorization.

230669043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78642.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 230669043 is about 15187.7925650833. The cubic root of 230669043 is about 613.2860759969.

The spelling of 230669043 in words is "two hundred thirty million, six hundred sixty-nine thousand, forty-three".

Divisors: 1 3 11 33 89 267 979 2937 78539 235617 863929 2591787 6989971 20969913 76889681 230669043