Search a number
-
+
230828399 = 574340193
BaseRepresentation
bin11011100001000…
…10100101101111
3121002100022000222
431300202211233
5433043002044
634523241555
75502003044
oct1560424557
9532308028
10230828399
1110932987a
12653792bb
1338a8c369
14229291cb
15153e88ee
hexdc2296f

230828399 has 4 divisors (see below), whose sum is σ = 230874336. Its totient is φ = 230782464.

The previous prime is 230828393. The next prime is 230828407. The reversal of 230828399 is 993828032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230828399 - 212 = 230824303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230828393) 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, 14354 + ... + 25839.

It is an arithmetic number, because the mean of its divisors is an integer number (57718584).

Almost surely, 2230828399 is an apocalyptic number.

230828399 is a deficient number, since it is larger than the sum of its proper divisors (45937).

230828399 is an equidigital number, since it uses as much as digits as its factorization.

230828399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45936.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 230828399 is about 15193.0378463295. The cubic root of 230828399 is about 613.4272715351.

The spelling of 230828399 in words is "two hundred thirty million, eight hundred twenty-eight thousand, three hundred ninety-nine".

Divisors: 1 5743 40193 230828399