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230212960 = 2551438831
BaseRepresentation
bin11011011100011…
…00010101100000
3121001012000210221
431232030111200
5432413303320
634502132424
75463530545
oct1556142540
9531160727
10230212960
11108a4944a
1265121114
13389051b3
1422808bcc
15153263aa
hexdb8c560

230212960 has 24 divisors (see below), whose sum is σ = 543878496. Its totient is φ = 92085120.

The previous prime is 230212943. The next prime is 230212967. The reversal of 230212960 is 69212032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230212967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719256 + ... + 719575.

It is an arithmetic number, because the mean of its divisors is an integer number (22661604).

Almost surely, 2230212960 is an apocalyptic number.

230212960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230212960 is an abundant number, since it is smaller than the sum of its proper divisors (313665536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230212960 is a wasteful number, since it uses less digits than its factorization.

230212960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438846 (or 1438838 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 230212960 is about 15172.7703469076. The cubic root of 230212960 is about 612.8816092028.

Adding to 230212960 its reverse (69212032), we get a palindrome (299424992).

The spelling of 230212960 in words is "two hundred thirty million, two hundred twelve thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1438831 2877662 5755324 7194155 11510648 14388310 23021296 28776620 46042592 57553240 115106480 230212960