Search a number
-
+
230078230 = 2523007823
BaseRepresentation
bin11011011011010…
…11011100010110
3121000221011222221
431231223130112
5432400000410
634455212554
75462430004
oct1555533426
9530834887
10230078230
111089671a8
126507715a
1338888a85
14227b1a74
15152eb4da
hexdb6b716

230078230 has 8 divisors (see below), whose sum is σ = 414140832. Its totient is φ = 92031288.

The previous prime is 230078227. The next prime is 230078237. The reversal of 230078230 is 32870032.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 230078195 and 230078204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230078237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11503902 + ... + 11503921.

It is an arithmetic number, because the mean of its divisors is an integer number (51767604).

Almost surely, 2230078230 is an apocalyptic number.

230078230 is a deficient number, since it is larger than the sum of its proper divisors (184062602).

230078230 is a wasteful number, since it uses less digits than its factorization.

230078230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007830.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 230078230 is about 15168.3298355488. The cubic root of 230078230 is about 612.7620247784.

The spelling of 230078230 in words is "two hundred thirty million, seventy-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 23007823 46015646 115039115 230078230