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230313120 = 25352571867
BaseRepresentation
bin11011011101001…
…00110010100000
3121001101010012120
431232210302200
5432430004440
634504224240
75464425552
oct1556446240
9531333176
10230313120
11109007724
126516b080
133893b96b
14228334d2
1515345dd0
hexdba4ca0

230313120 has 96 divisors (see below), whose sum is σ = 728699328. Its totient is φ = 61145088.

The previous prime is 230313119. The next prime is 230313121. The reversal of 230313120 is 21313032.

It is an interprime number because it is at equal distance from previous prime (230313119) and next prime (230313121).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230313120.

It is not an unprimeable number, because it can be changed into a prime (230313121) 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 15 ways as a sum of consecutive naturals, for example, 122427 + ... + 124293.

It is an arithmetic number, because the mean of its divisors is an integer number (7590618).

Almost surely, 2230313120 is an apocalyptic number.

230313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230313120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364349664).

230313120 is an abundant number, since it is smaller than the sum of its proper divisors (498386208).

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

230313120 is a wasteful number, since it uses less digits than its factorization.

230313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230313120 is about 15176.0706376848. The cubic root of 230313120 is about 612.9704795565.

Adding to 230313120 its reverse (21313032), we get a palindrome (251626152).

The spelling of 230313120 in words is "two hundred thirty million, three hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 257 480 514 771 1028 1285 1542 1867 2056 2570 3084 3734 3855 4112 5140 5601 6168 7468 7710 8224 9335 10280 11202 12336 14936 15420 18670 20560 22404 24672 28005 29872 30840 37340 41120 44808 56010 59744 61680 74680 89616 112020 123360 149360 179232 224040 298720 448080 479819 896160 959638 1439457 1919276 2399095 2878914 3838552 4798190 5757828 7197285 7677104 9596380 11515656 14394570 15354208 19192760 23031312 28789140 38385520 46062624 57578280 76771040 115156560 230313120