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230080052 = 2257520013
BaseRepresentation
bin11011011011010…
…11111000110100
3121000221021111102
431231223320310
5432400030202
634455225232
75462435216
oct1555537064
9530837442
10230080052
11108968604
1265078218
1338889857
14227b25b6
15152ebd02
hexdb6be34

230080052 has 6 divisors (see below), whose sum is σ = 402640098. Its totient is φ = 115040024.

The previous prime is 230080051. The next prime is 230080079. The reversal of 230080052 is 250080032.

It can be written as a sum of positive squares in only one way, i.e., 203804176 + 26275876 = 14276^2 + 5126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230080051) 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 as a sum of consecutive naturals, namely, 28760003 + ... + 28760010.

It is an arithmetic number, because the mean of its divisors is an integer number (67106683).

Almost surely, 2230080052 is an apocalyptic number.

It is an amenable number.

230080052 is a deficient number, since it is larger than the sum of its proper divisors (172560046).

230080052 is a wasteful number, since it uses less digits than its factorization.

230080052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57520017 (or 57520015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 230080052 is about 15168.3898947779. The cubic root of 230080052 is about 612.7636422709.

Subtracting from 230080052 its sum of digits (20), we obtain a palindrome (230080032).

The spelling of 230080052 in words is "two hundred thirty million, eighty thousand, fifty-two".

Divisors: 1 2 4 57520013 115040026 230080052