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233230312 = 2374164827
BaseRepresentation
bin11011110011011…
…00111111101000
3121020212022211201
431321230333220
5434201332222
635050533544
75531265520
oct1571547750
9536768751
10233230312
1110a71a427
12661372b4
1339420703
1422d92680
1515720427
hexde6cfe8

233230312 has 16 divisors (see below), whose sum is σ = 499779360. Its totient is φ = 99955824.

The previous prime is 233230289. The next prime is 233230313. The reversal of 233230312 is 213032332.

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 233230312.

It is not an unprimeable number, because it can be changed into a prime (233230313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082358 + ... + 2082469.

It is an arithmetic number, because the mean of its divisors is an integer number (31236210).

Almost surely, 2233230312 is an apocalyptic number.

It is an amenable number.

233230312 is an abundant number, since it is smaller than the sum of its proper divisors (266549048).

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

233230312 is a wasteful number, since it uses less digits than its factorization.

233230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164840 (or 4164836 counting only the distinct ones).

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

The square root of 233230312 is about 15271.8797795163. The cubic root of 233230312 is about 615.5476312779.

Adding to 233230312 its reverse (213032332), we get a palindrome (446262644).

The spelling of 233230312 in words is "two hundred thirty-three million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 4164827 8329654 16659308 29153789 33318616 58307578 116615156 233230312