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230143310 = 25431812957
BaseRepresentation
bin11011011011110…
…11010101001110
3121001001111021022
431231323111032
5432404041220
634500434142
75463120515
oct1555732516
9531044238
10230143310
11108a01091
12650a8952
13388ac597
14227cb67c
1515310925
hexdb7b54e

230143310 has 32 divisors (see below), whose sum is σ = 426377952. Its totient is φ = 89389440.

The previous prime is 230143283. The next prime is 230143327. The reversal of 230143310 is 13341032.

It is a happy number.

It is a super-2 number, since 2×2301433102 = 105931886275512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76352 + ... + 79308.

It is an arithmetic number, because the mean of its divisors is an integer number (13324311).

Almost surely, 2230143310 is an apocalyptic number.

230143310 is a deficient number, since it is larger than the sum of its proper divisors (196234642).

230143310 is a wasteful number, since it uses less digits than its factorization.

230143310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230143310 is about 15170.4749431255. The cubic root of 230143310 is about 612.8197946844.

Adding to 230143310 its reverse (13341032), we get a palindrome (243484342).

The spelling of 230143310 in words is "two hundred thirty million, one hundred forty-three thousand, three hundred ten".

Divisors: 1 2 5 10 43 86 181 215 362 430 905 1810 2957 5914 7783 14785 15566 29570 38915 77830 127151 254302 535217 635755 1070434 1271510 2676085 5352170 23014331 46028662 115071655 230143310