Search a number
-
+
230078564 = 22569101089
BaseRepresentation
bin11011011011010…
…11100001100100
3121000221012110022
431231223201210
5432400003224
634455214312
75462430662
oct1555534144
9530835408
10230078564
11108967481
1265077398
1338888c81
14227b1c32
15152eb65e
hexdb6b864

230078564 has 12 divisors (see below), whose sum is σ = 403349100. Its totient is φ = 114835968.

The previous prime is 230078531. The next prime is 230078567. The reversal of 230078564 is 465870032.

It is a happy number.

230078564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31832164 + 198246400 = 5642^2 + 14080^2 .

It is a super-2 number, since 2×2300785642 = 105872291224604192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230078567) 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, 48269 + ... + 52820.

It is an arithmetic number, because the mean of its divisors is an integer number (33612425).

Almost surely, 2230078564 is an apocalyptic number.

It is an amenable number.

230078564 is a deficient number, since it is larger than the sum of its proper divisors (173270536).

230078564 is a wasteful number, since it uses less digits than its factorization.

230078564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101662 (or 101660 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 230078564 is about 15168.3408453265. The cubic root of 230078564 is about 612.7623212897.

The spelling of 230078564 in words is "two hundred thirty million, seventy-eight thousand, five hundred sixty-four".

Divisors: 1 2 4 569 1138 2276 101089 202178 404356 57519641 115039282 230078564