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230223044 = 22173385633
BaseRepresentation
bin11011011100011…
…10110011000100
3121001012112122102
431232032303010
5432414114134
634502251232
75463602132
oct1556166304
9531175572
10230223044
11108a55a87
1265126b18
133890996c
142280c752
151532937e
hexdb8ecc4

230223044 has 12 divisors (see below), whose sum is σ = 426589884. Its totient is φ = 108340224.

The previous prime is 230223041. The next prime is 230223053. The reversal of 230223044 is 440322032.

It can be written as a sum of positive squares in 2 ways, for example, as 114918400 + 115304644 = 10720^2 + 10738^2 .

It is not an unprimeable number, because it can be changed into a prime (230223041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692749 + ... + 1692884.

It is an arithmetic number, because the mean of its divisors is an integer number (35549157).

Almost surely, 2230223044 is an apocalyptic number.

It is an amenable number.

230223044 is a deficient number, since it is larger than the sum of its proper divisors (196366840).

230223044 is a wasteful number, since it uses less digits than its factorization.

230223044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385654 (or 3385652 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 230223044 is about 15173.1026490959. The cubic root of 230223044 is about 612.8905577403.

Adding to 230223044 its reverse (440322032), we get a palindrome (670545076).

The spelling of 230223044 in words is "two hundred thirty million, two hundred twenty-three thousand, forty-four".

Divisors: 1 2 4 17 34 68 3385633 6771266 13542532 57555761 115111522 230223044