Search a number
-
+
230571361 = 1972514663
BaseRepresentation
bin11011011111000…
…11110101100001
3121001212020110001
431233203311201
5433011240421
634513540001
75466552466
oct1557436541
9531766401
10230571361
11109173749
1265274601
13389cc377
142289d66d
1515397691
hexdbe3d61

230571361 has 8 divisors (see below), whose sum is σ = 232714944. Its totient is φ = 228438000.

The previous prime is 230571353. The next prime is 230571379. The reversal of 230571361 is 163175032.

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

It is a cyclic number.

It is not a de Polignac number, because 230571361 - 23 = 230571353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230571301) 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 7 ways as a sum of consecutive naturals, for example, 47116 + ... + 51778.

It is an arithmetic number, because the mean of its divisors is an integer number (29089368).

Almost surely, 2230571361 is an apocalyptic number.

It is an amenable number.

230571361 is a deficient number, since it is larger than the sum of its proper divisors (2143583).

230571361 is a wasteful number, since it uses less digits than its factorization.

230571361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 230571361 is about 15184.5764181949. The cubic root of 230571361 is about 613.1994938414.

The spelling of 230571361 in words is "two hundred thirty million, five hundred seventy-one thousand, three hundred sixty-one".

Divisors: 1 197 251 4663 49447 918611 1170413 230571361