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230233630 = 25117272879
BaseRepresentation
bin11011011100100…
…01011000011110
3121001020002011111
431232101120132
5432414434010
634502412234
75463645034
oct1556213036
9531202144
10230233630
11108a62a30
126513107a
1338911723
1422812554
151532c58a
hexdb9161e

230233630 has 32 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 83577120.

The previous prime is 230233609. The next prime is 230233631. The reversal of 230233630 is 36332032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230233631) 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, 78531 + ... + 81409.

It is an arithmetic number, because the mean of its divisors is an integer number (14152320).

Almost surely, 2230233630 is an apocalyptic number.

230233630 is a deficient number, since it is larger than the sum of its proper divisors (222640610).

230233630 is a wasteful number, since it uses less digits than its factorization.

230233630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 230233630 is about 15173.4514860660. The cubic root of 230233630 is about 612.8999514712.

Adding to 230233630 its reverse (36332032), we get a palindrome (266565662).

The spelling of 230233630 in words is "two hundred thirty million, two hundred thirty-three thousand, six hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 727 1454 2879 3635 5758 7270 7997 14395 15994 28790 31669 39985 63338 79970 158345 316690 2093033 4186066 10465165 20930330 23023363 46046726 115116815 230233630