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232112660 = 225132114231
BaseRepresentation
bin11011101010111…
…00001000010100
3121011202112201012
431311130020110
5433410101120
635010551352
75515632203
oct1565341024
9534675635
10232112660
1110a02674a
1265898558
133911ba90
1422b8123a
151559e1c5
hexdd5c214

232112660 has 48 divisors (see below), whose sum is σ = 527544192. Its totient is φ = 85276800.

The previous prime is 232112641. The next prime is 232112669. The reversal of 232112660 is 66211232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232112669) 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, 52745 + ... + 56975.

It is an arithmetic number, because the mean of its divisors is an integer number (10990504).

Almost surely, 2232112660 is an apocalyptic number.

232112660 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 232112660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263772096).

232112660 is an abundant number, since it is smaller than the sum of its proper divisors (295431532).

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

232112660 is a wasteful number, since it uses less digits than its factorization.

232112660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 232112660 is about 15235.2440085481. The cubic root of 232112660 is about 614.5628108848.

Adding to 232112660 its reverse (66211232), we get a palindrome (298323892).

The spelling of 232112660 in words is "two hundred thirty-two million, one hundred twelve thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 211 260 422 844 1055 2110 2743 4220 4231 5486 8462 10972 13715 16924 21155 27430 42310 54860 55003 84620 110006 220012 275015 550030 892741 1100060 1785482 3570964 4463705 8927410 11605633 17854820 23211266 46422532 58028165 116056330 232112660