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230613180 = 223572323873
BaseRepresentation
bin11011011111011…
…10000010111100
3121001221100210220
431233232002330
5433014110210
634514501340
75500115430
oct1557560274
9531840726
10230613180
111091a2106
1265294850
1338a15405
14228b09c0
15153a4c70
hexdbee0bc

230613180 has 96 divisors (see below), whose sum is σ = 770079744. Its totient is φ = 50417664.

The previous prime is 230613121. The next prime is 230613197. The reversal of 230613180 is 81316032.

230613180 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

230613180 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 230613180.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2277 + ... + 21596.

It is an arithmetic number, because the mean of its divisors is an integer number (8021664).

Almost surely, 2230613180 is an apocalyptic number.

230613180 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 230613180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385039872).

230613180 is an abundant number, since it is smaller than the sum of its proper divisors (539466564).

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

230613180 is a wasteful number, since it uses less digits than its factorization.

230613180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23915 (or 23913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 230613180 is about 15185.9533780399. The cubic root of 230613180 is about 613.2365638391.

The spelling of 230613180 in words is "two hundred thirty million, six hundred thirteen thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 420 460 483 644 690 805 966 1380 1610 1932 2415 3220 4830 9660 23873 47746 71619 95492 119365 143238 167111 238730 286476 334222 358095 477460 501333 549079 668444 716190 835555 1002666 1098158 1432380 1647237 1671110 2005332 2196316 2506665 2745395 3294474 3342220 3843553 5013330 5490790 6588948 7687106 8236185 10026660 10981580 11530659 15374212 16472370 19217765 23061318 32944740 38435530 46122636 57653295 76871060 115306590 230613180