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230443442 = 2547210643
BaseRepresentation
bin11011011110001…
…00100110110010
3121001121201222022
431233010212302
5432443142232
634511111442
75465510525
oct1557044662
9531551868
10230443442
11109096629
1265212582
1338986088
1422868bbc
151536e812
hexdbc49b2

230443442 has 8 divisors (see below), whose sum is σ = 346298736. Its totient is φ = 115010532.

The previous prime is 230443427. The next prime is 230443469. The reversal of 230443442 is 244344032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104228 + ... + 106415.

It is an arithmetic number, because the mean of its divisors is an integer number (43287342).

Almost surely, 2230443442 is an apocalyptic number.

230443442 is a deficient number, since it is larger than the sum of its proper divisors (115855294).

230443442 is a wasteful number, since it uses less digits than its factorization.

230443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211192.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 230443442 is about 15180.3636978829. The cubic root of 230443442 is about 613.0860736027.

Adding to 230443442 its reverse (244344032), we get a palindrome (474787474).

The spelling of 230443442 in words is "two hundred thirty million, four hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 547 1094 210643 421286 115221721 230443442