Search a number
-
+
230452555 = 5311148201
BaseRepresentation
bin11011011110001…
…10110101001011
3121001122012110211
431233012311023
5432443440210
634511221551
75465546224
oct1557066513
9531565424
10230452555
111090a2463
12652178b7
133898a278
142286c24b
151537238a
hexdbc6d4b

230452555 has 8 divisors (see below), whose sum is σ = 277434144. Its totient is φ = 183768000.

The previous prime is 230452529. The next prime is 230452591. The reversal of 230452555 is 555254032.

It is a happy number.

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

It is not a de Polignac number, because 230452555 - 29 = 230452043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72546 + ... + 75655.

It is an arithmetic number, because the mean of its divisors is an integer number (34679268).

Almost surely, 2230452555 is an apocalyptic number.

230452555 is a deficient number, since it is larger than the sum of its proper divisors (46981589).

230452555 is a wasteful number, since it uses less digits than its factorization.

230452555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148517.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 230452555 is about 15180.6638524144. The cubic root of 230452555 is about 613.0941550936.

It can be divided in two parts, 23045 and 2555, that added together give a square (25600 = 1602).

The spelling of 230452555 in words is "two hundred thirty million, four hundred fifty-two thousand, five hundred fifty-five".

Divisors: 1 5 311 1555 148201 741005 46090511 230452555