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230332312 = 2374113077
BaseRepresentation
bin11011011101010…
…01011110011000
3121001102002112101
431232221132120
5432431113222
634504453144
75464535530
oct1556513630
9531362471
10230332312
11109020091
126517a1b4
1338947612
142283a4c0
151534b927
hexdba9798

230332312 has 16 divisors (see below), whose sum is σ = 493569360. Its totient is φ = 98713824.

The previous prime is 230332309. The next prime is 230332331. The reversal of 230332312 is 213233032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230332312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056483 + ... + 2056594.

It is an arithmetic number, because the mean of its divisors is an integer number (30848085).

Almost surely, 2230332312 is an apocalyptic number.

It is an amenable number.

230332312 is an abundant number, since it is smaller than the sum of its proper divisors (263237048).

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

230332312 is a wasteful number, since it uses less digits than its factorization.

230332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113090 (or 4113086 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230332312 is about 15176.7029357499. The cubic root of 230332312 is about 612.9875053671.

Adding to 230332312 its reverse (213233032), we get a palindrome (443565344).

The spelling of 230332312 in words is "two hundred thirty million, three hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 4113077 8226154 16452308 28791539 32904616 57583078 115166156 230332312