Search a number
-
+
230172527 = 1317705579
BaseRepresentation
bin11011011100000…
…10011101101111
3121001002222100102
431232002131233
5432411010102
634501221315
75463301634
oct1556023557
9531088312
10230172527
11108a21032
126510183b
13388bc980
14227d818b
1515319402
hexdb8276f

230172527 has 4 divisors (see below), whose sum is σ = 247878120. Its totient is φ = 212466936.

The previous prime is 230172499. The next prime is 230172539. The reversal of 230172527 is 725271032.

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 230172527 - 218 = 229910383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230172527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230172727) 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, 8852777 + ... + 8852802.

It is an arithmetic number, because the mean of its divisors is an integer number (61969530).

Almost surely, 2230172527 is an apocalyptic number.

230172527 is a deficient number, since it is larger than the sum of its proper divisors (17705593).

230172527 is a wasteful number, since it uses less digits than its factorization.

230172527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705592.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 230172527 is about 15171.4378685740. The cubic root of 230172527 is about 612.8457263503.

The spelling of 230172527 in words is "two hundred thirty million, one hundred seventy-two thousand, five hundred twenty-seven".

Divisors: 1 13 17705579 230172527