Search a number
-
+
230021234 = 2412805137
BaseRepresentation
bin11011011010111…
…01100001110010
3121000211021210222
431231131201302
5432341134414
634454053042
75462101562
oct1555354162
9530737728
10230021234
111089283a3
126504a182
1338868b51
1422798da2
15152d968e
hexdb5d872

230021234 has 8 divisors (see below), whose sum is σ = 353447388. Its totient is φ = 112205440.

The previous prime is 230021227. The next prime is 230021279. The reversal of 230021234 is 432120032.

Adding to 230021234 its reverse (432120032), we get a palindrome (662141266).

It can be written as a sum of positive squares in 2 ways, for example, as 211557025 + 18464209 = 14545^2 + 4297^2 .

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

It is a Curzon number.

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, 1402487 + ... + 1402650.

Almost surely, 2230021234 is an apocalyptic number.

230021234 is a deficient number, since it is larger than the sum of its proper divisors (123426154).

230021234 is a wasteful number, since it uses less digits than its factorization.

230021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805180.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230021234 is about 15166.4509361947. The cubic root of 230021234 is about 612.7114218904.

The spelling of 230021234 in words is "two hundred thirty million, twenty-one thousand, two hundred thirty-four".

Divisors: 1 2 41 82 2805137 5610274 115010617 230021234