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230111060 = 22543475693
BaseRepresentation
bin11011011011100…
…11011101010100
3121000222212000212
431231303131110
5432402023220
634500024552
75462624504
oct1555633524
9530885025
10230111060
11108989933
1265092158
133889a9ba
14227bda04
15153060c5
hexdb73754

230111060 has 48 divisors (see below), whose sum is σ = 505080576. Its totient is φ = 87975552.

The previous prime is 230111059. The next prime is 230111081. The reversal of 230111060 is 60111032.

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 15 ways as a sum of consecutive naturals, for example, 37574 + ... + 43266.

It is an arithmetic number, because the mean of its divisors is an integer number (10522512).

Almost surely, 2230111060 is an apocalyptic number.

230111060 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 230111060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252540288).

230111060 is an abundant number, since it is smaller than the sum of its proper divisors (274969516).

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

230111060 is a wasteful number, since it uses less digits than its factorization.

230111060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 230111060 is about 15169.4119859670. The cubic root of 230111060 is about 612.7911685186.

Adding to 230111060 its reverse (60111032), we get a palindrome (290222092).

The spelling of 230111060 in words is "two hundred thirty million, one hundred eleven thousand, sixty".

Divisors: 1 2 4 5 10 20 43 47 86 94 172 188 215 235 430 470 860 940 2021 4042 5693 8084 10105 11386 20210 22772 28465 40420 56930 113860 244799 267571 489598 535142 979196 1070284 1223995 1337855 2447990 2675710 4895980 5351420 11505553 23011106 46022212 57527765 115055530 230111060